@incollection{Schmidt1993,
  author    = {Schmidt, Th.},
  title     = {Fracture Tests for Determining Primary Stress Conditions in Salt Deposits Provide Clues to the Rock Mechanics of Salt Caverns.},
  series = {Seventh Symposium on Salt: Proceedings of the Seventh International Symposium, Kyoto, Japan, 6-9 April 1992},
  booktitle = {Seventh Symposium on Salt: Proceedings of the Seventh International Symposium, Kyoto, Japan, 6-9 April 1992},
  edition   = {1},
  publisher = {Elsevier Publishing Company},
  isbn      = {978-044489143},
  pages     = {1378},
  year      = {1993},
  language  = {en}
}
@incollection{LuxSchmidt1993,
  author    = {Lux, K.-H. and Schmidt, Th.},
  title     = {Optimising Underground Gas Storage Operations in Salt Caverns, with special Reference to the Rock Mechanics and Thermodynamics involved.},
  series = {3rd Conference Mechanical Behavior of Salt},
  booktitle = {3rd Conference Mechanical Behavior of Salt},
  publisher = {Ecole Polytechnique Palaiseau},
  year      = {1993},
  language  = {en}
}
@incollection{KottmannSchmidt1994,
  author    = {Kottmann, W. and Schmidt, Th.},
  title     = {Underground Storage of Natural Gas in Salt Caverns - Scope for Optimisation of Cavern Dimensioning and Operation.},
  publisher = {19th World Gas Conference Milan},
  year      = {1994},
  language  = {en}
}
@incollection{StaudtmeisterSchmidt2000,
  author    = {Staudtmeister, K. and Schmidt, Th.},
  title     = {Comparison of Different Methods for the Estimation of Primary Stresses in Rock Salt Mass with Respect of Cavern Design.},
  series = {8th Symposium on Salt},
  booktitle = {8th Symposium on Salt},
  address   = {The Hague (Netherlands)},
  year      = {2000},
  language  = {en}
}
@misc{WetterBruegging2009,
  author    = {Wetter, Christof and Br{\"u}gging, Elmar},
  title     = {Separation System for Light Liquids and Bioethanol; 5. European Bioethanol Technology Meeting, Detmold, 2009},
  year      = {2009},
  language  = {en}
}
@misc{WetterElmar2008,
  author    = {Wetter, Christof and Elmar, Br{\"u}gging},
  title     = {Decentralized Production of Bioethanol - State of Art and Perspectives 4. European Bioethanol Technology Meeting},
  address   = {Detmold},
  year      = {2008},
  language  = {en}
}
@misc{WetterElmar2008,
  author    = {Wetter, Christof and Elmar, Br{\"u}gging},
  title     = {Guidelines for Construction of Biogas Plants. Recommended Procedures and Instructions; 16th European Biomass Conference \& Exhibition From Research to Industry and Markets},
  address   = {Valencia},
  year      = {2008},
  language  = {en}
}
@misc{Wetter2006,
  author    = {Wetter, Christof},
  title     = {Presentation of the Guidelines for Constructing Biogas Plants- Recommended Procedures and Instructions,Vortrag auf der IFAT 2006 (Internationale Umweltmesse),Fachhochschule M{\"u}nster},
  address   = {Shanghai},
  year      = {2006},
  language  = {en}
}
@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}
}
@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{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{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{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{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}
}
@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{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}
}
@misc{Gruening1998,
  author    = {Gr{\"u}ning, H.},
  title     = {Pipeline Engineering and Management, ATV-Fortbildungsveranstaltung zur Ausbildung ausl{\"a}ndischer F{\"u}hrungskr{\"a}fte im Auftrag der GTZ am 24. April 1998 in Bochum},
  year      = {1998},
  language  = {en}
}
@misc{WetterBruegging2010,
  author    = {Wetter, Christof and Br{\"u}gging, Elmar},
  title     = {Greenhouse Gas Emission-free Production of Bioethanol; 6th European Bioethanol Technology Meeting, Detmold, April 2010},
  year      = {2010},
  language  = {en}
}
@misc{Wetter1996,
  author    = {Wetter, Christof},
  title     = {Treatment of industrial waste water in the Federal Republic of Germany - Example: Metal finishing Industries, National Conference on Water "Water as a national asset", Tirana/Albanien, Oktober 1996},
  year      = {1996},
  language  = {en}
}
@misc{Wetter1994,
  author    = {Wetter, Christof},
  title     = {Collecting Waste in Standadised Waste Bins, "Solid Waste Disposal Technologies" veranstaltet vom Land Nordrhein-Westfalen, ProAsia und der Malaysian-German Chamber of Commerce and Industry, Kuala Lumpur/Malaysia, Dezember 1994},
  year      = {1994},
  language  = {en}
}
@misc{Wetter1993,
  author    = {Wetter, Christof},
  title     = {Environmental compatibility test for waste water treatment plants, 1. Chinese and German Environmental Protection Technique Interchange Conference, Chongqing/China, Dezember 1993},
  year      = {1993},
  language  = {en}
}
@misc{Wetter1993,
  author    = {Wetter, Christof},
  title     = {Requirements for state-of-the-art-treatment of industrial waste in the Federal Repulic of Germany 1. Chinese and German Environmental Protection Technique Interchange Conference, Chongqing/China, Dezember 1993},
  year      = {1993},
  language  = {en}
}
@article{WetterPoeppinghausMorais1989,
  author    = {Wetter, Christof: and P{\"o}ppinghaus, K. and Morais, H.},
  title     = {Production of protein for animal feed stuff using organic wastewaters from wine distilleries},
  series = {Water Science and Technologie},
  volume    = {Vol 21},
  journal   = {Water Science and Technologie},
  pages     = {1853 -- 1856},
  year      = {1989},
  language  = {en}
}
@article{Wetter1999,
  author    = {Wetter, Christof},
  title     = {Der Privatisierungsmarkt in Deutschland - Chancen f{\"u}r den Mittelstand, The market for Privitization in Germany - Opportunities for small and medium sized businesses, Le march{\´e} de la privatisation en Allemangne - Opportunit{\´e}s puor les PME (R{\´e}sum{\´e})},
  series = {BFT Betonwerk- und Fertigteiltechnik},
  volume    = {1/99},
  journal   = {BFT Betonwerk- und Fertigteiltechnik},
  pages     = {45 -- 57},
  year      = {1999},
  language  = {en}
}
@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}
}
@misc{WetterBruegging2012,
  author    = {Wetter, Christof and Br{\"u}gging, Elmar},
  title     = {Greenhouse Gas Emission-free Production of Bioethanol; Biomass fuel \& power 2012 - Congress \& Expo, Moskau, April 2012},
  year      = {2012},
  language  = {en}
}
@misc{WetterBrueggingKerkering2013,
  author    = {Wetter, Christof and Br{\"u}gging, Elmar and Kerkering, Marius},
  title     = {Separation of Manure and digestate with the aim of phosphore and biogas utilization; IBBA Digestate Workshop, H{\"o}{\"o}r, Schweden, September 2013},
  year      = {2013},
  language  = {en}
}
@article{KoopmannStevensFranzenReuteretal.2007,
  author    = {Koopmann, R. and Stevens, H. and Franzen-Reuter, I. and Frahm, J.-P. and Grote, M.},
  title     = {In vitro inhibition of soredial growth in the epiphytic lichen Physcia tenella (Ascomycetes: Lecanorales) by a variety of bark phenols},
  series = {Lichenologist},
  volume    = {39},
  journal   = {Lichenologist},
  number    = {6},
  pages     = {567 -- 572},
  year      = {2007},
  language  = {en}
}
@article{HoffmannKolahgarRauchfussetal.2008,
  author    = {Hoffmann, B. and Kolahgar, B. and Rauchfuss, K. and Eberwein, G. and Franzen-Reuter, I. and Kraft, M. and Wilhelm, M. and Ranft, U. and J{\"o}ckel, K. H.},
  title     = {Childhood social position and associations between environmental exposures and health outcomes},
  series = {International journal of hygiene and environmental health},
  volume    = {212},
  journal   = {International journal of hygiene and environmental health},
  number    = {2},
  pages     = {146 -- 156},
  year      = {2008},
  language  = {en}
}
@article{StapperFranzenReuter2010,
  author    = {Stapper, N. J. and Franzen-Reuter, I.},
  title     = {Looking back on 15 years of research on bioindication with Jan-Peter Frahm in Bonn},
  series = {Bryophyte Diversity and Evolution},
  volume    = {31},
  journal   = {Bryophyte Diversity and Evolution},
  number    = {1},
  pages     = {1 -- 4},
  year      = {2010},
  language  = {en}
}
@article{FranzenReuterStapper2004,
  author    = {Franzen-Reuter, I. and Stapper, N. J.},
  title     = {Mapping aerial hypertrophication with epiphytic lichens as biomonitors in North Rhine-Westphalia (NRW, Germany)},
  series = {English Nature Research Reports. Lichens in a changing pollution environment},
  volume    = {525},
  journal   = {English Nature Research Reports. Lichens in a changing pollution environment},
  pages     = {31 -- 36},
  year      = {2004},
  language  = {en}
}
@incollection{WetterBrueggingJoshietal.2017,
  author    = {Wetter, Christof and Br{\"u}gging, Elmar and Joshi, Jigeeshu and Willenbrink, Hinnerk},
  title     = {Applying Geographical Information System (GIS) to analyse the potential and design of district heating networks},
  series = {3rd International Conference on Smart Energy Systems and 4th Generation District Heating},
  booktitle = {3rd International Conference on Smart Energy Systems and 4th Generation District Heating},
  address   = {Kopenhagen},
  pages     = {109},
  year      = {2017},
  language  = {en}
}
@article{NehrFranzenReuterKucejko2017,
  author    = {Nehr, S. and Franzen-Reuter, I. and Kucejko, C.},
  title     = {New Directions: Future approaches to the standardized assessment of airborne pollutants affecting environmental quality},
  series = {Atmospheric Environment},
  volume    = {166},
  journal   = {Atmospheric Environment},
  issn      = {1352-2310},
  doi       = {10.1016/j.atmosenv.2017.06.051},
  pages     = {570 -- 572},
  year      = {2017},
  language  = {en}
}
@misc{WetterBruegging2017,
  author    = {Wetter, Christof and Br{\"u}gging, Elmar},
  title     = {Cooperation between the climate municipality Saerbeck and the Muenster University of Applied Sciences - storage of energy and more; Bioenergieworkshop anl{\"a}ßlich Messe Renewable Energy Industrial Fair (REIF), Fukushima, Japan, November 2017},
  year      = {2017},
  language  = {en}
}
@misc{WetterBruegging2018,
  author    = {Wetter, Christof and Br{\"u}gging, Elmar},
  title     = {Vorstellung der drei Interreg Va Projekte Mest op Maat, W{\"a}rme in der Euregio und Gr{\"u}ne Kaskade; Network Event: Energy Transition in the Dutch-German Border Region, Emmen, September 2018},
  year      = {2018},
  language  = {en}
}
@inproceedings{PoettgenAltherrEdereretal.2014,
  author    = {P{\"o}ttgen, Philipp and Altherr, Lena C. and Ederer, Thorsten and Lorenz, U. and Pelz, P. F.},
  title     = {Control Loop Elements in Fluid Systems via Mixed-Integer Linear Programming},
  series = {IFORS 2014, The Art of Modeling, Barcelona, 13th - 18th July},
  booktitle = {IFORS 2014, The Art of Modeling, Barcelona, 13th - 18th July},
  year      = {2014},
  language  = {en}
}
@inproceedings{AltherrEdererPoettgenetal.2014,
  author    = {Altherr, Lena C. and Ederer, Thorsten and P{\"o}ttgen, Philpp and Lorenz, U. and Pelz, P. F.},
  title     = {Efficient Dynamic Flow Models with Technical Restrictions},
  series = {IFORS 2014, The Art of Modeling, Barcelona, 13th - 18th July},
  booktitle = {IFORS 2014, The Art of Modeling, Barcelona, 13th - 18th July},
  year      = {2014},
  language  = {en}
}
@inproceedings{LorenzAltherrEdereretal.2014,
  author    = {Lorenz, U. and Altherr, Lena C. and Ederer, Thorsten and Pelz, P. F. and P{\"o}ttgen, Philipp and Saul, Benjamin and Zimmermann, Wolf},
  title     = {MIP Generation for System Synthesis Tasks},
  series = {IFORS 2014, The Art of Modeling, Barcelona, 13th - 18th July},
  booktitle = {IFORS 2014, The Art of Modeling, Barcelona, 13th - 18th July},
  year      = {2014},
  language  = {en}
}
@article{PoettgenEdererAltherretal.2015,
  author    = {P{\"o}ttgen, Philipp and Ederer, Thorsten and Altherr, Lena C. and Pelz, P. F.},
  title     = {Developing a Control Strategy for Booster Stations under Uncertain Load},
  series = {Applied Mechanics and Materials},
  volume    = {807},
  journal   = {Applied Mechanics and Materials},
  publisher = {Trans Tech Publications, Switzerland},
  issn      = {1660-9336},
  pages     = {241 -- 246},
  year      = {2015},
  language  = {en}
}
@incollection{AltherrEdererPoettgenetal.2015,
  author    = {Altherr, Lena C. and Ederer, Thorsten and P{\"o}ttgen, Philipp and Lorenz, Ulf and Pelz, Peter F.},
  title     = {Multicriterial Optimization of Technical Systems Considering Multiple Load and Availability Scenarios},
  series = {Uncertainty in mechanical engineering},
  booktitle = {Uncertainty in mechanical engineering},
  editor    = {Pelz, Peter F. and Groche, Peter},
  publisher = {Trans Tech Publications},
  address   = {Uetikon-Z{\"u}rich},
  isbn      = {978-3-03835-652-3},
  publisher      = {FH M{\"u}nster - University of Applied Sciences},
  pages     = {247 -- 256},
  year      = {2015},
  language  = {en}
}
@inproceedings{AholaSchabelMuelleretal.2018,
  author    = {Ahola, Marja Birgit and Schabel, Samuel and M{\"u}ller, Tim M. and Altherr, Lena C. and Pelz, Peter},
  title     = {Multi-Criteria Optimization of Pressure Screen Systems in Paper Recycling - Balancing Quality, Yield, Energy Consumption and System Complexity},
  series = {EngOpt 2018 Proceedings of the 6th International Conference on Engineering Optimization},
  booktitle = {EngOpt 2018 Proceedings of the 6th International Conference on Engineering Optimization},
  editor    = {Rodrigues, H. C.},
  publisher = {Springer},
  year      = {2018},
  language  = {en}
}
@inproceedings{AholaSchabelMuelleretal.2018,
  author    = {Ahola, Marja Birgit and Schabel, Samuel and M{\"u}ller, Tim M. and Altherr, Lena C. and Pelz, Peter},
  title     = {Optimizing Pressure Screen Systems in Paper Recycling - Optimal System Layout, Component Selection and Operation},
  series = {EngOpt 2018 Proceedings of the 6th International Conference on Engineering Optimization},
  booktitle = {EngOpt 2018 Proceedings of the 6th International Conference on Engineering Optimization},
  publisher = {Springer},
  year      = {2018},
  language  = {en}
}
@inproceedings{LeiseAltherrPelz2017,
  author    = {Leise, Philipp and Altherr, Lena C. and Pelz, P. F.},
  title     = {Energy-Efficient Design of a Water Supply System for Skyscrapers by Mixed-Integer Nonlinear Programming},
  series = {Operations Research Proceedings 2017: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR)},
  booktitle = {Operations Research Proceedings 2017: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR)},
  publisher = {Springer},
  year      = {2017},
  language  = {en}
}
@inproceedings{RauschFriesenAltherretal.2017,
  author    = {Rausch, L. and Friesen, J. and Altherr, Lena C. and Pelz, P. F.},
  title     = {Using Mixed-Integer Programming for the Optimal Design of Water Supply Networks for Slums},
  series = {Operations Research Proceedings 2017: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR)},
  booktitle = {Operations Research Proceedings 2017: Selected Papers of the Annual International Conference of the German Operations Research Society (GOR)},
  publisher = {Springer},
  year      = {2017},
  language  = {en}
}