@book{Lepers2009,
  author    = {Lepers, Heinrich},
  title     = {SPS-Programmierung nach IEC 61131-3 : mit Beispielen f{\"u}r CoDeSys und STEP 7 ; [auf 4 DVDs/CDs: Installationssoftware f{\"u}r CoDeSys, STEP 7 und WINCC flexible ; alle Beispiele aus dem Buch f{\"u}r CoDeSys und STEP7 ; alle L{\"o}sungen zu den {\"U}bungsprojekten f{\"u}r CoDeSys und STEP 7] / Heinrich Lepers . 3. neu bearb. Aufl.},
  publisher = {Franzis},
  address   = {Poing},
  isbn      = {978-3-7723-5806-7},
  pages     = {429 S. : Ill., graph. Darst.},
  year      = {2009},
  language  = {de}
}
@book{LeyWittmannHallmann2009,
  author    = {Ley, Wilfried and Wittmann, Klaus and Hallmann, Willi},
  title     = {Handbook of space technology},
  publisher = {Wiley},
  address   = {Chichester},
  isbn      = {978-0-470-69739-9},
  pages     = {XIII, 882 S. : Ill., graph. Darst.},
  year      = {2009},
  language  = {en}
}
@book{Seehausen2009,
  author    = {Seehausen, Gerhard},
  title     = {Halbleiterschaltungstechnik},
  publisher = {Logos-Verl.},
  address   = {Berlin},
  isbn      = {978-3-8325-2218-6},
  pages     = {271 S. : graph. Darst.},
  year      = {2009},
  language  = {de}
}
@book{Tietze2009,
  author    = {Tietze, J{\"u}rgen},
  title     = {Einf{\"u}hrung in die Finanzmathematik : klassische Verfahren und neuere Entwicklungen: Effektivzins- und Renditeberechnung, Investitionsrechnung, derivative Finanzinstrumente ; mit {\"u}ber 500 {\"U}bungsaufgaben / J{\"u}rgen Tietze. 9., {\"u}berarb. Aufl.},
  publisher = {Vieweg + Teubner},
  address   = {Wiesbaden},
  isbn      = {978-3-8348-0467-9},
  pages     = {XII 431 S. : graph. Darst.},
  year      = {2009},
  language  = {de}
}
@article{Timme2009,
  author    = {Timme, Michael},
  title     = {Kommentierung zu \S\S 705-740},
  series = {Handbuch der Beweislast - BGB SchuldR BT II, \S\S 611-811 / Baumg{\"a}rtel, Gottfried ; Laumen, Hans-Willi ; Pr{\"u}tting, Hanns (Hrsg.). 3. Aufl.},
  journal   = {Handbuch der Beweislast - BGB SchuldR BT II, \S\S 611-811 / Baumg{\"a}rtel, Gottfried ; Laumen, Hans-Willi ; Pr{\"u}tting, Hanns (Hrsg.). 3. Aufl.},
  publisher = {Heymanns},
  address   = {K{\"o}ln},
  isbn      = {978-3-452-26748-1},
  year      = {2009},
  language  = {de}
}
@book{Timme2009,
  author    = {Timme, Michael},
  title     = {WEG - Wohnungseigentumsgesetz / Timme, Michael [Hrsg.] Stand: 01.10.2009 ; Edition 3},
  publisher = {Beck},
  address   = {M{\"u}nchen},
  year      = {2009},
  language  = {de}
}
@article{SchwarzerdaSilvaHoffschmidtetal.2009,
  author    = {Schwarzer, Klemens and da Silva, Vieira E. and Hoffschmidt, Bernhard and Schwarzer, T.},
  title     = {A new solar desalination system with heat recovery for decentralised drinking water production},
  series = {Desalination. 248 (2009), H. 1-3},
  journal   = {Desalination. 248 (2009), H. 1-3},
  publisher = {Elsevier},
  address   = {Amsterdam},
  isbn      = {0011-9164},
  pages     = {204 -- 211},
  year      = {2009},
  language  = {en}
}
@book{BaltzerZulaufLocheretal.2009,
  author    = {Baltzer, Wolfgang and Zulauf, Christoph and Locher, Peter and Steinhauer, Bernhard},
  title     = {Bewertung der Sicherheit von Strassentunneln / Zulauf, Christoph ; Locher, Peter ; Steinhauer, Bernhard ; Mayer, Georg ; Zimmermann, Uwe ; Baltzer, Wolfgang ; Riepe, Werner ; K{\"u}ndig, Peter},
  publisher = {Wirtschaftsverlag NW},
  address   = {Bremerhaven},
  isbn      = {978-3-86509-909-9},
  pages     = {48 S.},
  year      = {2009},
  language  = {de}
}
@article{WeberLacoKunetal.2009,
  author    = {Weber, Hans-Joachim and Laco, Filip and Kun, Ma and Ramakrishna, S.},
  title     = {The dose effect of human bone marrow-derived mesenchymal stem cells on epidermal development in organotypic co-culture / Laco, Filip ; Kun, Ma ; Weber, Hans Joachim ; Ramakrishna, S. ; Chan, Casey K.},
  series = {Journal of Dermatological Science. 55 (2009), H. 3},
  journal   = {Journal of Dermatological Science. 55 (2009), H. 3},
  isbn      = {0923-1811},
  pages     = {150 -- 160},
  year      = {2009},
  language  = {en}
}
@article{Tietze2009,
  author    = {Tietze, J{\"u}rgen},
  title     = {Die Elastizit{\"a}t {\"o}konomischer Funktionen},
  series = {Das Wirtschaftsstudium : Wisu. 38 (2009), H. 8/9},
  journal   = {Das Wirtschaftsstudium : Wisu. 38 (2009), H. 8/9},
  publisher = {Lange},
  address   = {D{\"u}sseldorf},
  isbn      = {0340-3084},
  pages     = {1179 -- 1187},
  year      = {2009},
  language  = {de}
}