@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{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{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}
}