@inproceedings{MuellerFischer2009,
  author    = {M{\"u}ller, Karsten and Fischer, B.},
  title     = {Objective condition assessment of sewer systems},
  series = {Strategic asset management of water supply and wastewater infrastructures : invited papers from the 2nd IWA Leading Edge Conference on Strategic Asset Management (LESAM), Lisbon, October [17 - 19] 2007 / ed. by Helene Alegre and Maria do C{\´e}u Almeida},
  booktitle = {Strategic asset management of water supply and wastewater infrastructures : invited papers from the 2nd IWA Leading Edge Conference on Strategic Asset Management (LESAM), Lisbon, October [17 - 19] 2007 / ed. by Helene Alegre and Maria do C{\´e}u Almeida},
  publisher = {IWA Publ.},
  address   = {London},
  isbn      = {9781843391869},
  pages     = {521 -- 534},
  year      = {2009},
  language  = {en}
}
@inproceedings{MuellerLorenz2009,
  author    = {M{\"u}ller, Karsten and Lorenz, U.},
  title     = {Neue Entwicklungen in der Abwasserw{\"a}rmenutzung : Ergebnisse einer Potenzialstudie f{\"u}r das Kanalnetz der Stadt Aachen},
  series = {42. Essener Tagung f{\"u}r Wasser- und Abfallwirtschaft : vom 18.3. - 20.3. 2009 im Eurogress Aachen / hrsg. von Johannes Pinnekamp. Gew{\"a}sserschutz - Wasser - Abwasser. Bd. 217},
  booktitle = {42. Essener Tagung f{\"u}r Wasser- und Abfallwirtschaft : vom 18.3. - 20.3. 2009 im Eurogress Aachen / hrsg. von Johannes Pinnekamp. Gew{\"a}sserschutz - Wasser - Abwasser. Bd. 217},
  publisher = {Ges. zur F{\"o}rderung der Siedlungswasserwirtschaft an der RWTH Aachen},
  address   = {Aachen},
  isbn      = {978-3-938996-23-2},
  pages     = {40/1 -- 40/14},
  year      = {2009},
  language  = {de}
}
@inproceedings{OertelBungSchlenkhoff2009,
  author    = {Oertel, M. and Bung, Daniel B. and Schlenkhoff, Andreas},
  title     = {Flash flood awareness and prevention},
  series = {Water engineering for sustainable environment : 33rd IAHR congress ; 9 - 14 August 2009, Vancouver, British Columbia, Canada},
  booktitle = {Water engineering for sustainable environment : 33rd IAHR congress ; 9 - 14 August 2009, Vancouver, British Columbia, Canada},
  organization    = {International Association for Hydraulic Engineering and Research},
  isbn      = {9789078046080},
  pages     = {1 CD-ROM},
  year      = {2009},
  language  = {en}
}
@inproceedings{SchlenkhoffBung2009,
  author    = {Schlenkhoff, Andreas and Bung, Daniel B.},
  title     = {Prediction of oxygen transfer in self-aerated skimming flow on embankment stepped spillways},
  series = {Water engineering for sustainable environment : 33rd IAHR congress ; 9 - 14 August 2009, Vancouver, British Columbia, Canada},
  booktitle = {Water engineering for sustainable environment : 33rd IAHR congress ; 9 - 14 August 2009, Vancouver, British Columbia, Canada},
  organization    = {International Association for Hydraulic Engineering and Research},
  isbn      = {9789078046080},
  pages     = {1 CD-ROM},
  year      = {2009},
  language  = {en}
}
@article{SchmidtHebel2009,
  author    = {Schmidt, Rolf and Hebel, Christoph},
  title     = {Makroskopische Verkehrssimulationsmodelle in der kommunalen Planungspraxis},
  series = {Stadt Region Land (2009)},
  journal   = {Stadt Region Land (2009)},
  publisher = {RWTH Aachen},
  address   = {Aachen},
  isbn      = {0344-9645},
  pages     = {63 -- 72},
  year      = {2009},
  language  = {de}
}
@incollection{Strohmeier2009,
  author    = {Strohmeier, Andreas},
  title     = {Siedlungswasserwirtschaft},
  series = {Wendehorst Beispiele aus der Baupraxis. - 3. Aufl.},
  booktitle = {Wendehorst Beispiele aus der Baupraxis. - 3. Aufl.},
  publisher = {Springer Vieweg},
  address   = {Wiesbaden},
  isbn      = {978-3-8348-0684-0 ; 978-3-8348-9997-2},
  doi       = {10.1007/978-3-8348-9997-2_15},
  pages     = {423 -- 462},
  year      = {2009},
  language  = {de}
}
@incollection{Vismann2009,
  author    = {Vismann, Ulrich},
  title     = {Stahlbetonbau},
  series = {Wendehorst Beispiele aus der Baupraxis. - 3. Aufl.},
  booktitle = {Wendehorst Beispiele aus der Baupraxis. - 3. Aufl.},
  publisher = {Springer Vieweg},
  address   = {Wiesbaden},
  isbn      = {978-3-8348-0684-0 ; 978-3-8348-9997-2},
  doi       = {10.1007/978-3-8348-9997-2_9},
  pages     = {203 -- 233},
  year      = {2009},
  language  = {de}
}