@misc{GrueningHoppePecher2016,
  author    = {Gr{\"u}ning, H. and Hoppe, H. and Pecher, K.-H.},
  title     = {Dezentrale und großtechnische Filtration von Regenwasser, Erfahrungsaustausch F\&E Vorhaben zum Thema Niederschlagswasserbeseitigung, Landesamt f{\"u}r Natur, Umwelt und Verbraucherschutz NRW, 14. Januar 2016 in D{\"u}sseldorf},
  year      = {2016},
  language  = {de}
}
@incollection{GeigerOrthSchultzetal.2000,
  author    = {Geiger, W. F. and Orth, H. and Schultz, G. A. and Frehmann, T. and Gr{\"u}ning, H. and Niemann, K. and Quirmbach, M.},
  title     = {Abschlussbericht zum Forschungsprojekt "Gemeinsame Bewirtschaftung (Steuerung) von Kanalnetz und Kl{\"a}rwerk zur Minimierung von {\"U}berlastungen und Schadwirkungen im Gew{\"a}sser". DFG, Bochum und Essen (September 2000)},
  year      = {2000},
  language  = {de}
}
@incollection{SteinOrthCremeretal.1998,
  author    = {Stein, D. and Orth, H. and Cremer, S. and Falk, C. and Gr{\"u}ning, H.},
  title     = {Abschlussbericht zur "Erweiterung der Pilotstudie zur {\"U}berpr{\"u}fung von Durchflussmesseinrichtungen auf Kl{\"a}ranlagen in NRW", im Auftrag des Ministeriums f{\"u}r Umwelt, Raumordnung und Landwirtschaft des Landes NRW},
  year      = {1998},
  language  = {de}
}
@incollection{HoppeMessmannGigaetal.2010,
  author    = {Hoppe, H. and Messmann, S. and Giga, A. and Gr{\"u}ning, H.},
  title     = {A real-time control strategy for the separation of highly polluted storm water based on UV-Vis online measurement - from theory to operation.},
  series = {NOVATECH 2010, 7th International Conference on sustainable techniques and strategies in urban water management, Lyon-Villeurebanne, France, 27.-28.June 2010},
  booktitle = {NOVATECH 2010, 7th International Conference on sustainable techniques and strategies in urban water management, Lyon-Villeurebanne, France, 27.-28.June 2010},
  year      = {2010},
  language  = {en}
}
@incollection{GrueningHoppeMessmannetal.2010,
  author    = {Gr{\"u}ning, H. and Hoppe, H. and Messmann, S. and Giga, A.},
  title     = {Cost effectiveness of centralised and decentraliced storm water treatment},
  series = {Proceedings: NOVATECH 2010, 7th International Conference on sustainable techniques and strategies in urban water management, Lyon-Villeurebanne, France, 27.-28.June 2010},
  booktitle = {Proceedings: NOVATECH 2010, 7th International Conference on sustainable techniques and strategies in urban water management, Lyon-Villeurebanne, France, 27.-28.June 2010},
  year      = {2010},
  language  = {en}
}
@incollection{GrueningHoppeMessmannetal.2009,
  author    = {Gr{\"u}ning, H. and Hoppe, H. and Messmann, S. and Giga, A.},
  title     = {Strategien und Genehmigungsaspekte einer Abflussteuerung auf der Basis von Stoff{\"a}quivalenzmessungen},
  series = {VDI-Berichte 2073, Tagung "Mess- und Regelungstechnik in abwassertechnischen Anlagen" am 17. November 2009 in Wuppertal},
  booktitle = {VDI-Berichte 2073, Tagung "Mess- und Regelungstechnik in abwassertechnischen Anlagen" am 17. November 2009 in Wuppertal},
  publisher = {VDI-Verlag},
  address   = {D{\"u}sseldorf},
  isbn      = {978-3-18-092073-3},
  pages     = {13 -- 19},
  year      = {2009},
  language  = {de}
}
@incollection{GrueningHoppe2009,
  author    = {Gr{\"u}ning, H. and Hoppe, H.},
  title     = {Entwicklung eines Simulationsverfahrens zur Minderung von Schmutzfrachtaustr{\"a}gen durch innovative Systemelemente in Kanalnetzen},
  series = {Tagungsunterlagen, DWA Landesverbandstagung Nord, am 1. Oktober 2009, in Osnabr{\"u}ck},
  booktitle = {Tagungsunterlagen, DWA Landesverbandstagung Nord, am 1. Oktober 2009, in Osnabr{\"u}ck},
  year      = {2009},
  language  = {de}
}
@incollection{HoppeGruening2009,
  author    = {Hoppe, H. and Gr{\"u}ning, H.},
  title     = {Mischwasserentlastungsanlagen planen, betreiben und {\"u}berwachen.},
  series = {Optimierte Bemessung von Mischwasserentlastungsanlagen, Seminar der Technischen Universit{\"a}t Graz, am 30. Juni 2009 in Graz ({\"O}sterreich)},
  booktitle = {Optimierte Bemessung von Mischwasserentlastungsanlagen, Seminar der Technischen Universit{\"a}t Graz, am 30. Juni 2009 in Graz ({\"O}sterreich)},
  year      = {2009},
  language  = {de}
}
@misc{GrueningHoppe2008,
  author    = {Gr{\"u}ning, H. and Hoppe, H.},
  title     = {Dezentrale Behandlungsanlagen im Vergleich zu Regenkl{\"a}rbecken. Vortrag im Rahmen des 4. Erfahrungsaustausches "Regenbecken und Gew{\"a}sser des DWA-Landesverbandes NRW, am 13. November 2008 in Hagen},
  year      = {2008},
  language  = {de}
}
@misc{HoppeMessmannGigaetal.2008,
  author    = {Hoppe, H. and Messmann, S. and Giga, A. and Gr{\"u}ning, H.},
  title     = {Options and limits of quantitative and qualitative online-monitoring of industrial discharges into municipal sewage systems. 11th International Conference on Urban Drainage, Edinburgh, Scotland, UK 2008},
  year      = {2008},
  language  = {en}
}
@misc{GrueningHoppe2008,
  author    = {Gr{\"u}ning, H. and Hoppe, H.},
  title     = {Spectrophotometric applications in wastewater and storm water sewers. 11th International Conference on Urban Drainage, Edinburgh, Scotland, UK 2008},
  year      = {2008},
  language  = {en}
}
@misc{GrueningPecher2008,
  author    = {Gr{\"u}ning, H. and Pecher, K. H.},
  title     = {Beispiel einer Fremdwassersanierungsstrategie. BEW-Seminar "Ganzheitliche Sanierungsplanung f{\"u}r Abwassernetze" am 12. Februar 2008 in Essen},
  year      = {2008},
  language  = {de}
}
@misc{GrueningHoppeGigaetal.2008,
  author    = {Gr{\"u}ning, H. and Hoppe, H. and Giga, A. and Meßmann, S.},
  title     = {Drosselpr{\"u}fung - Sinn oder Unsinn? Vortrag im Rahmen des 3. Erfahrungsaustausches "Regenbecken und Gew{\"a}sser des DWA-Landesverbandes NRW, am 16. Januar 2008 in Essen},
  year      = {2008},
  language  = {de}
}
@misc{GrueningHoppe2007,
  author    = {Gr{\"u}ning, H. and Hoppe, H.},
  title     = {Anwendung der Spektralphotometrie in Schmutz- und Regenwasserkan{\"a}len, Fachtagung "Mess- und Regelungstechnik in abwassertechnischen Anlagen", Gemeinschaftstagung der DWA und VDI/VDE-Gesellschaft Mess- und Automatisierungstechnik (GMA) am 20./21. November 2007 in Wuppertal},
  publisher = {VDI-Verlag},
  address   = {D{\"u}sseldorf},
  year      = {2007},
  language  = {de}
}
@misc{GrueningHoppe2006,
  author    = {Gr{\"u}ning, H. and Hoppe, H.},
  title     = {New requirements for treatment of stormwater and methods of sewage system management},
  pages     = {375 -- 381},
  year      = {2006},
  language  = {en}
}
@incollection{GrueningHoppe2006,
  author    = {Gr{\"u}ning, H. and Hoppe, H.},
  title     = {Analyse notwendiger Mess- und Planungsdaten, 24. Bochumer Workshop "Betrieb und {\"U}berwachung von Kanalnetz und Kl{\"a}ranlage"},
  volume    = {Bd. 52},
  pages     = {S. 87 -- 107},
  year      = {2006},
  language  = {de}
}
@incollection{HoppeGruening2005,
  author    = {Hoppe, H. and Gr{\"u}ning, H.},
  title     = {Messdaten vs. Berechnungsannahmen - Einfluss der Grundlagenermittlung auf das Planungsergebnis. 23. Bochumer Workshop "Optimierung von Kanalnetz und Kl{\"a}ranlage bei knappen Kassen"},
  volume    = {Bd. 49},
  pages     = {147 -- 171},
  year      = {2005},
  language  = {de}
}
@incollection{GrueningHoppe2007,
  author    = {Gr{\"u}ning, H. and Hoppe, H.},
  title     = {Significance of uncertainties in the input data used in the integrated design of wastewater systems},
  series = {NOVATECH 2007, 6th International Conference on Innovative Technologies in Urban Drainage, Lyon-Villeurebanne, France, 25.-28.June 2007},
  booktitle = {NOVATECH 2007, 6th International Conference on Innovative Technologies in Urban Drainage, Lyon-Villeurebanne, France, 25.-28.June 2007},
  pages     = {1607 -- 1614},
  year      = {2007},
  language  = {en}
}
@incollection{GrueningHoppe2007,
  author    = {Gr{\"u}ning, H. and Hoppe, H.},
  title     = {Innovative alternatives for the treatment of storm water in separate system catchments},
  series = {NOVATECH 2007, 6th International Conference on Innovative Technologies in Urban Drainage, Lyon-Villeurebanne, France, 25.-28.June 2007},
  booktitle = {NOVATECH 2007, 6th International Conference on Innovative Technologies in Urban Drainage, Lyon-Villeurebanne, France, 25.-28.June 2007},
  pages     = {649 -- 656},
  year      = {2007},
  language  = {en}
}
@incollection{HoppeGruening2007,
  author    = {Hoppe, H. and Gr{\"u}ning, H.},
  title     = {Vergleichende Untersuchungen zu Regenkl{\"a}rbecken und Filtersystemen.},
  series = {Tagungsunterlagen der DWA - Deutsche Vereinigung f{\"u}r Wasserwirtschaft, Wasser und Abfall e.V., 6. Regenwassertage am 11./12. Juni 2007 in Passau},
  booktitle = {Tagungsunterlagen der DWA - Deutsche Vereinigung f{\"u}r Wasserwirtschaft, Wasser und Abfall e.V., 6. Regenwassertage am 11./12. Juni 2007 in Passau},
  year      = {2007},
  language  = {de}
}
@incollection{HoppeGruening2007,
  author    = {Hoppe, H. and Gr{\"u}ning, H.},
  title     = {Selbst{\"u}berwachung von Kanalnetz und Kl{\"a}ranlage in Deutschland - Erfahrungen aus NRW. 19. Fachtagung f{\"u}r Abwasserwirtschaft und Gew{\"a}sserentwicklung, 24./25. April},
  volume    = {60},
  isbn      = {978-3-930400},
  pages     = {S. 171 -- 180},
  year      = {2007},
  language  = {de}
}
@incollection{GrueningHoppeWeilandt2002,
  author    = {Gr{\"u}ning, H. and Hoppe, H. and Weilandt, M.},
  title     = {Integrated control strategies based on online measurements in sewer systems and wastewater treatment plants},
  pages     = {pp. 295 -- 302},
  year      = {2002},
  language  = {en}
}
@article{HoppeMessmannGigaetal.2009,
  author    = {Hoppe, H. and Messmann, S. and Giga, A. and Gr{\"u}ning, H.},
  title     = {Options and limits of quantitative and qualitative online-monitoring of industrial discharges into municipal sewage systems},
  series = {Water Science \& Technology WST},
  volume    = {Vol 60},
  journal   = {Water Science \& Technology WST},
  number    = {No 4},
  pages     = {859 -- 867},
  year      = {2009},
  language  = {en}
}
@article{GrueningHoppe2007,
  author    = {Gr{\"u}ning, H. and Hoppe, H.},
  title     = {Niederschlagsentw{\"a}sserung im Trennverfahren - verlangt der Trennerlass zuviel?},
  series = {ABWASSERREPORT},
  journal   = {ABWASSERREPORT},
  number    = {4.07},
  pages     = {4 -- 8},
  year      = {2007},
  language  = {de}
}
@article{GrueningOrth2002,
  author    = {Gr{\"u}ning, H. and Orth, H.},
  title     = {Investigations on the dynamics of the compositions of combined wastewater using on-line analyzers},
  series = {Water Science and Technology},
  volume    = {Vol. 45},
  journal   = {Water Science and Technology},
  number    = {No. 4/5},
  pages     = {77 -- 83},
  year      = {2002},
  language  = {en}
}
@article{GrueningHoppeWeilandt2001,
  author    = {Gr{\"u}ning, H. and Hoppe, H. and Weilandt, M.},
  title     = {Online-Messung in Kanalisationsnetzen. Seminarbericht zur Veranstaltung der Ruhr-Universit{\"a}t am 30. November in Dortmund},
  series = {Korrespondenz Abwasser},
  volume    = {48},
  journal   = {Korrespondenz Abwasser},
  number    = {6},
  pages     = {763 -- 766},
  year      = {2001},
  language  = {de}
}
@article{GrueningHoppe2000,
  author    = {Gr{\"u}ning, H. and Hoppe, H.},
  title     = {Bericht zum 17. Bochumer Workshop "Mischwasser - quo vadis?"},
  series = {Korrespondenz Abwasser},
  volume    = {47},
  journal   = {Korrespondenz Abwasser},
  number    = {Nr. 3},
  pages     = {336 -- 344},
  year      = {2000},
  language  = {de}
}
@article{GrueningOrthKnollmann1997,
  author    = {Gr{\"u}ning, H. and Orth, H. and Knollmann, J.},
  title     = {Untersuchungen zum Gaspotential von Faulschl{\"a}mmen},
  series = {Korrespondenz Abwasser},
  volume    = {44},
  journal   = {Korrespondenz Abwasser},
  number    = {Nr. 5},
  pages     = {884 -- 894},
  year      = {1997},
  language  = {de}
}
@article{HoppeGruening2007,
  author    = {Hoppe, H. and Gr{\"u}ning, H.},
  title     = {Neue Herausforderungen an integrierte Planungen von Misch- und Niederschlagswasserbehandlungsanlagen},
  series = {GWF Wasser-Abwasser},
  volume    = {148},
  journal   = {GWF Wasser-Abwasser},
  number    = {7-8},
  pages     = {548 -- 555},
  year      = {2007},
  language  = {de}
}
@article{HoppeGruening2007,
  author    = {Hoppe, H. and Gr{\"u}ning, H.},
  title     = {Bericht zum Workshop "Niederschlagswasser in Trennsystemen - gesteigerte Anforderungen und innovative Konzepte" der Dr. Pecher AG, 7. November 2006 in Bochum},
  series = {Korrespondenz Abwasser},
  volume    = {54},
  journal   = {Korrespondenz Abwasser},
  number    = {8},
  pages     = {779 -- 780},
  year      = {2007},
  language  = {de}
}
@article{GrueningNolteSpinnraekeretal.2007,
  author    = {Gr{\"u}ning, H. and Nolte, C. and Spinnr{\"a}ker, H. and Pecher, D.},
  title     = {Von der Planung bis zur Bewirtschaftung eines Sammlersystems mit 85.000 m³ Nutzvolumen in M{\"o}nchengladbach},
  series = {GWF Wasser - Abwasser},
  journal   = {GWF Wasser - Abwasser},
  number    = {4},
  pages     = {38 -- 40},
  year      = {2007},
  language  = {de}
}
@article{GrueningOrth2004,
  author    = {Gr{\"u}ning, H. and Orth, H.},
  title     = {Untersuchungen zur Effizienz einer Verbundsteuerung auf der Basis innovativer Messtechniken.},
  series = {Korrespondenz Abwasser},
  volume    = {51},
  journal   = {Korrespondenz Abwasser},
  number    = {Nr. 7},
  pages     = {727 -- 735},
  year      = {2004},
  language  = {de}
}
@incollection{GrueningOrth2001,
  author    = {Gr{\"u}ning, H. and Orth, H.},
  title     = {Investigations on the dynamics of the compositions of combined wastewater using on-line analyzers},
  series = {1st IWA conference on Instrumentation, Control and Automation, Malm{\"o}, Sweden, 03.-07. June 2001},
  booktitle = {1st IWA conference on Instrumentation, Control and Automation, Malm{\"o}, Sweden, 03.-07. June 2001},
  pages     = {139 -- 146},
  year      = {2001},
  language  = {en}
}
@incollection{GrueningOrth2001,
  author    = {Gr{\"u}ning, H. and Orth, H.},
  title     = {Control strategies for optimisation of urban wastewater system based on precipitation forecast},
  series = {NOVATECH 2001, 4th International Conference on Innovative Technologies in Urban Drainage, Lyon-Villeurebanne, France, 25.-27. June 2001},
  booktitle = {NOVATECH 2001, 4th International Conference on Innovative Technologies in Urban Drainage, Lyon-Villeurebanne, France, 25.-27. June 2001},
  pages     = {477 -- 484},
  year      = {2001},
  language  = {en}
}
@incollection{GrueningOrth2000,
  author    = {Gr{\"u}ning, H. and Orth, H.},
  title     = {Steuerung von Kanalnetz und Kl{\"a}ranlage auf der Basis von Niederschlagsvorhersagen aus Radarmessungen, 18. Bochumer Workshop "Innovationen in der Abwasserbeseitigung"},
  series = {Schriftenreihe Siedlungswasserwirtschaft der Ruhr-Universit{\"a}t Bochum},
  volume    = {37},
  booktitle = {Schriftenreihe Siedlungswasserwirtschaft der Ruhr-Universit{\"a}t Bochum},
  pages     = {5 -- 28},
  year      = {2000},
  language  = {de}
}
@article{GrueningHoppeLauersdorf2011,
  author    = {Gr{\"u}ning, H. and Hoppe, H. and Lauersdorf, U.},
  title     = {Qualitative Abflusssteuerung kanalisierter Gew{\"a}sser},
  series = {wasserwirtschaft wassertechnik wwt},
  volume    = {4 (April)},
  journal   = {wasserwirtschaft wassertechnik wwt},
  pages     = {33 -- 36},
  year      = {2011},
  language  = {mul}
}
@incollection{HoppeGrueningLauersdorf2011,
  author    = {Hoppe, H. and Gr{\"u}ning, H. and Lauersdorf, U.},
  title     = {Erfahrungsbericht: Zentrale und dezentrale Regenwasserbehandlungsanlagen in Wuppertal},
  series = {Seminar Dezentrale Behandlung von Niederschlagswasserabfl{\"u}sse - Status quo und zuk{\"u}nftige Entwicklungen. Tagungsunterlagen zum Seminar an der FH-Frankfurt am 12. Mai 2011},
  booktitle = {Seminar Dezentrale Behandlung von Niederschlagswasserabfl{\"u}sse - Status quo und zuk{\"u}nftige Entwicklungen. Tagungsunterlagen zum Seminar an der FH-Frankfurt am 12. Mai 2011},
  year      = {2011},
  language  = {de}
}
@incollection{GrueningOrth1999,
  author    = {Gr{\"u}ning, H. and Orth, H.},
  title     = {Disintegration of digested sludge and its influence on the residual gas production capacity},
  pages     = {S. 233 -- 244},
  year      = {1999},
  language  = {en}
}
@article{GrueningPecherQuargVonscheidt2011,
  author    = {Gr{\"u}ning, H. and Pecher, K. H. and Quarg-Vonscheidt, J.},
  title     = {Regenfilter vor Ort},
  series = {Der Gemeinderat},
  volume    = {54},
  journal   = {Der Gemeinderat},
  number    = {6},
  pages     = {44 -- 45},
  year      = {2011},
  language  = {de}
}
@article{HoppeMessmannGigaetal.2011,
  author    = {Hoppe, H. and Messmann, S. and Giga, A. and Gr{\"u}ning, H.},
  title     = {A real-time control strategy for separation of highly polluted storm water based on UV-Vis online measu-rements - from theory to operation},
  series = {Water Science \& Technology},
  volume    = {Vol 63, No 10},
  journal   = {Water Science \& Technology},
  pages     = {pp 2287 -- 2293},
  year      = {2011},
  language  = {en}
}
@article{GrueningHoppeMessmannetal.2011,
  author    = {Gr{\"u}ning, H. and Hoppe, H. and Messmann, S. and Giga, A.},
  title     = {Cost effectiveness of centralised and decentralised storm water treatment},
  series = {Water Science \& Technology},
  volume    = {Vol 63},
  journal   = {Water Science \& Technology},
  number    = {No 11},
  pages     = {pp 2598 -- 2604},
  year      = {2011},
  language  = {en}
}
@incollection{HoppeMessmannSosinkaetal.2010,
  author    = {Hoppe, H. and Messmann, S. and Sosinka, K. and Gr{\"u}ning, H. and Koll, R. and Gigl, T.},
  title     = {Verschmutzungsabh{\"a}ngige Kanalnetzsteuerung - Planung, Betriebserfahrungen und Kosten.},
  series = {Stuttgarter Berichte zur Siedlungswasserwirtschaft, Band 204},
  booktitle = {Stuttgarter Berichte zur Siedlungswasserwirtschaft, Band 204},
  address   = {Stuttgart},
  isbn      = {978-3-8356-3208-0},
  pages     = {115 -- 133},
  year      = {2010},
  language  = {de}
}
@article{GrueningPecherQuargVonscheidt2011,
  author    = {Gr{\"u}ning, H. and Pecher, K. H. and Quarg-Vonscheidt, J.},
  title     = {Wirksamkeit und Kosten dezentraler Regenwasserbehandlungssysteme - Systementwicklungen zur ortsnahen Regenwasserbehandlung},
  series = {Sonderheft Abwassertechnik, Ernst \& Sohn},
  journal   = {Sonderheft Abwassertechnik, Ernst \& Sohn},
  number    = {3},
  pages     = {53 -- 56},
  year      = {2011},
  language  = {de}
}
@incollection{GrueningSchmidtSchmitzetal.2015,
  author    = {Gr{\"u}ning, H. and Schmidt, Chr. and Schmitz, Th. and Pecher, K. H. and Giga, A. and Massing, C.},
  title     = {Chemisch-physikalisch wirksame Regenwasserfiltration},
  series = {Deutsche Vereinigung f{\"u}r Wasserwirtschaft, Abwasser und Abfall e.V., Tagungsunterlagen zu den 14. Regenwassertagen, 2. Juli 2015},
  booktitle = {Deutsche Vereinigung f{\"u}r Wasserwirtschaft, Abwasser und Abfall e.V., Tagungsunterlagen zu den 14. Regenwassertagen, 2. Juli 2015},
  address   = {Hamburg},
  year      = {2015},
  language  = {mul}
}
@incollection{GrueningPecherMassing2018,
  author    = {Gr{\"u}ning, H. and Pecher, K.-H. and Massing, C.},
  title     = {Technische Regenwasserfiltration an zentralen Standorten},
  series = {Regenwasser in urbanen R{\"a}umen - aqua urbanica trifft RegenwasserTage 2018, Schriftenreihe Wasser Infrastruktur Ressourcen, (Hrsg. Prof. Dr.-Ing. Theo G. Schmitt)},
  booktitle = {Regenwasser in urbanen R{\"a}umen - aqua urbanica trifft RegenwasserTage 2018, Schriftenreihe Wasser Infrastruktur Ressourcen, (Hrsg. Prof. Dr.-Ing. Theo G. Schmitt)},
  edition   = {Band 1},
  publisher = {TU Kaiserslautern},
  address   = {Landau},
  isbn      = {978-3-95974-086-9},
  pages     = {225 -- 239},
  year      = {2018},
  language  = {de}
}
@incollection{Gruening2002,
  author    = {Gr{\"u}ning, H.},
  title     = {Ein Modell zur simultanen Bewirtschaftung von Kanalnetz und Kl{\"a}ranlage unter Ber{\"u}cksichtigung resultierender Gew{\"a}sserbelastungen (Dissertationsschrift)},
  series = {Schriftenreihe Siedlungswasserwirtschaft der Ruhr-Universit{\"a}t Bochum, Band 42},
  booktitle = {Schriftenreihe Siedlungswasserwirtschaft der Ruhr-Universit{\"a}t Bochum, Band 42},
  year      = {2002},
  language  = {de}
}
@incollection{Gruening2002,
  author    = {Gr{\"u}ning, H.},
  title     = {Auswirkungen gesteigerter Kl{\"a}ranlagenzufl{\"u}sse. Beitrag der Festschrift anl{\"a}sslich des 60. Geburtstags von Professor Dr.-Ing. Hermann Orth},
  series = {Schriftenreihe Siedlungswasserwirtschaft der Ruhr-Universit{\"a}t Bochum, Band 41},
  booktitle = {Schriftenreihe Siedlungswasserwirtschaft der Ruhr-Universit{\"a}t Bochum, Band 41},
  year      = {2002},
  language  = {de}
}
@incollection{GrueningGigaQuargVonscheidt2010,
  author    = {Gr{\"u}ning, H. and Giga, A. and Quarg-Vonscheidt, J.},
  title     = {Dezentrale Regenwasserbehandlung - Betriebserfahrungen - Reinigungsleistung - Kosten, Seminar "Beseitigung von Niederschlagswasser"},
  series = {Ministerium f{\"u}r Umwelt und Naturschutz, Landwirtschaft und Verbraucherschutz des Landes, NRW Seminarunterlagen der Veranstaltung am 8. Juli 2010 in Essen},
  booktitle = {Ministerium f{\"u}r Umwelt und Naturschutz, Landwirtschaft und Verbraucherschutz des Landes, NRW Seminarunterlagen der Veranstaltung am 8. Juli 2010 in Essen},
  year      = {2010},
  language  = {de}
}
@misc{GrueningGiga2010,
  author    = {Gr{\"u}ning, H. and Giga, A.},
  title     = {Anspr{\"u}che an Wartung und Wirkung von dezentralen Verfahren und Regenkl{\"a}rbecken. Workshop der WSW Energie und Wasser AG und der Pecher Technik GmbH, Dezentrale Regenwasserbehandlung 1. Juli 2010 in Wuppertal},
  year      = {2010},
  language  = {de}
}
@misc{Gruening2010,
  author    = {Gr{\"u}ning, H.},
  title     = {Regenwasser behandeln und bewirtschaften - eine {\"U}bersicht. Workshop der WSW Energie und Wasser AG und der Pecher Technik GmbH, Dezentrale Regenwasserbehandlung, 1. Juli 2010 in Wuppertal},
  year      = {2010},
  language  = {de}
}