@article{BorchertHasenbeck2009,
  author    = {Borchert, J{\"o}rg and Hasenbeck, Marc},
  title     = {Bewertung und Steuerung von Kraftwerksscheiben},
  series = {Zeitschrift f{\"u}r Energiewirtschaft},
  volume    = {33},
  journal   = {Zeitschrift f{\"u}r Energiewirtschaft},
  number    = {2},
  publisher = {Vieweg},
  address   = {Wiesbaden},
  issn      = {1866-2765},
  doi       = {10.1007/s12398-009-0014-0},
  pages     = {115 -- 126},
  year      = {2009},
  language  = {de}
}
@incollection{LintzelBorchert2009,
  author    = {Lintzel, P. and Borchert, J{\"o}rg},
  title     = {Risiken des Handels},
  series = {Energiehandel in Europa},
  booktitle = {Energiehandel in Europa},
  editor    = {Zenke, Ines},
  edition   = {2. Aufl.},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {978-3-406-58373-5},
  pages     = {239 -- 247},
  year      = {2009},
  language  = {de}
}
@incollection{BorchertHintze2009,
  author    = {Borchert, J{\"o}rg and Hintze, D.},
  title     = {Der Aufbau von Handelseinheiten},
  series = {Energiehandel in Europa},
  booktitle = {Energiehandel in Europa},
  editor    = {Zenke, Ines},
  edition   = {2. Aufl.},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {978-3-406-58373-5},
  pages     = {393 -- 410},
  year      = {2009},
  language  = {de}
}
@incollection{MichelsBorchert2009,
  author    = {Michels, A. and Borchert, J{\"o}rg},
  title     = {Beschaffungsstrategien an der Schnittstelle Energiehandel/Vertrieb},
  series = {Energiehandel in Europa},
  booktitle = {Energiehandel in Europa},
  editor    = {Zenke, Ines},
  edition   = {2. Aufl.},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  isbn      = {978-3-406-58373-5},
  pages     = {467 -- 481},
  year      = {2009},
  language  = {de}
}
@incollection{ButenwegGellert2009,
  author    = {Butenweg, Christoph and Gellert, Christoph},
  title     = {Erdbebenberechnung von Mauerwerksbauten nach DIN EN 1998-1 (12.2010)},
  series = {Mauerwerksbau-Praxis / Schubert; Schneider; Schoch (Hrsg.)},
  booktitle = {Mauerwerksbau-Praxis / Schubert; Schneider; Schoch (Hrsg.)},
  publisher = {Bauwerk},
  address   = {Berlin},
  isbn      = {978-3-89932-217-0},
  pages     = {299 -- 343},
  year      = {2009},
  language  = {de}
}
@inproceedings{GoemmelKobNiendorfetal.2009,
  author    = {G{\"o}mmel, Andreas and Kob, Malte and Niendorf, Thoralf and Butenweg, Christoph},
  title     = {An approach for numerical calculation of glottal flow during glottal closure},
  series = {Proceedings / NAG/DAGA 2009, International Conference on Acoustics : Rotterdam, 23 - 26 March 2009 ; [including the 35th German Annual Conference on Acoustics (DAGA)] / [organisers: Acoustical Society of the Netherlands (NAG); German Acoustical Society (DEGA) ...]. Ed. by Marinus M. Boone},
  booktitle = {Proceedings / NAG/DAGA 2009, International Conference on Acoustics : Rotterdam, 23 - 26 March 2009 ; [including the 35th German Annual Conference on Acoustics (DAGA)] / [organisers: Acoustical Society of the Netherlands (NAG); German Acoustical Society (DEGA) ...]. Ed. by Marinus M. Boone},
  publisher = {DEGA},
  address   = {Berlin},
  organization    = {NAG DAGA <2009, Rotterdam>},
  isbn      = {978-3-9808659-6-8},
  pages     = {1722 -- 1725},
  year      = {2009},
  language  = {en}
}
@inproceedings{MeskourisHollerButenwegetal.2009,
  author    = {Meskouris, Konstantin and Holler, Stefan and Butenweg, Christoph and Meiners, Daniel},
  title     = {A multiphase model with hypoplastic formulation of the solid phase and its application to earthquake engineering problems},
  series = {Computational structural dynamics and earthquake engineering / ed. by Manolis Papadrakakis .... (Structures and infrastructures series ; 2)},
  booktitle = {Computational structural dynamics and earthquake engineering / ed. by Manolis Papadrakakis .... (Structures and infrastructures series ; 2)},
  publisher = {CRC Press},
  address   = {Boca Raton, Fla. [u.a.]},
  isbn      = {978-0-415-45261-8},
  doi       = {10.1201/9780203881637.ch19},
  pages     = {293 -- 308},
  year      = {2009},
  language  = {en}
}
@book{Waehlisch2009,
  author    = {W{\"a}hlisch, Georg},
  title     = {Technisches Zeichnen : Vorlesung und {\"U}bungen},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-8044-4},
  pages     = {IV, 120, 80 S. : Ill., graph. Darst.},
  year      = {2009},
  language  = {de}
}
@phdthesis{Fleischhaker2009,
  author    = {Fleischhaker, Robert},
  title     = {Light propagation in dense and chiral media},
  year      = {2009},
  language  = {en}
}
@inproceedings{GellertButenweg2009,
  author    = {Gellert, Christoph and Butenweg, Christoph},
  title     = {Nichtlinearer Erdbebennachweis von Mauerwerksbauten},
  series = {Erdbeben und Mauerwerk : 11. D-A-CH-Tagung 2009 ; [10./11. September 2009 in Z{\"u}rich] / SGEB, Swiss Society for Earthquake Engineering and Structural Dynamics; Schweizerischer Ingenieur- und Architektenverein, Fachgruppe f{\"u}r Br{\"u}ckenbau und Hochbau. [Hrsg. Dazio, Alessandro ...]},
  booktitle = {Erdbeben und Mauerwerk : 11. D-A-CH-Tagung 2009 ; [10./11. September 2009 in Z{\"u}rich] / SGEB, Swiss Society for Earthquake Engineering and Structural Dynamics; Schweizerischer Ingenieur- und Architektenverein, Fachgruppe f{\"u}r Br{\"u}ckenbau und Hochbau. [Hrsg. Dazio, Alessandro ...]},
  publisher = {SIA},
  address   = {Z{\"u}rich},
  organization    = {D-A-C-H Tagung <11, 2009, Z{\"u}rich>},
  isbn      = {978-3-03732-021-1},
  pages     = {125 -- 132},
  year      = {2009},
  language  = {de}
}