@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}
}
@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{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{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}
}
@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{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}
}