@article{GerhardtSchoenwaldKonrath2007,
  author    = {Gerhardt, Hans Joachim and Sch{\"o}nwald, J. and Konrath, B.},
  title     = {Verwendung von Leichtgas bei Brandsimulationen - unzul{\"a}ssig oder sinnvoll?},
  series = {VFDB-Zeitschrift : Forschung, Technik und Management im Brandschutz. 56 (2007), H. 1},
  journal   = {VFDB-Zeitschrift : Forschung, Technik und Management im Brandschutz. 56 (2007), H. 1},
  isbn      = {0042-1804},
  pages     = {29 -- 31},
  year      = {2007},
  language  = {de}
}
@article{GerhardtKonrathSchoenwald2005,
  author    = {Gerhardt, Hans Joachim and Konrath, B. and Sch{\"o}nwald, J.},
  title     = {Brandsimulation f{\"u}r Abnahmeversuche},
  series = {HLH : L{\"u}ftung, Klima, Heizung, Sanit{\"a}r, Geb{\"a}udetechnik. 56 (2005), H. 8},
  journal   = {HLH : L{\"u}ftung, Klima, Heizung, Sanit{\"a}r, Geb{\"a}udetechnik. 56 (2005), H. 8},
  isbn      = {1436-5103},
  pages     = {46 -- 51},
  year      = {2005},
  language  = {de}
}
@article{GerhardtKonrathLieb2005,
  author    = {Gerhardt, Hans Joachim and Konrath, B. and Lieb, R.-D.},
  title     = {Das Drallrohr},
  series = {HLH : L{\"u}ftung, Klima, Heizung, Sanit{\"a}r, Geb{\"a}udetechnik. 56 (2005), H. 11},
  journal   = {HLH : L{\"u}ftung, Klima, Heizung, Sanit{\"a}r, Geb{\"a}udetechnik. 56 (2005), H. 11},
  isbn      = {1436-5103},
  pages     = {91 -- 95},
  year      = {2005},
  language  = {en}
}
@article{GerhardtKrueger1997,
  author    = {Gerhardt, Hans Joachim and Kr{\"u}ger, O.},
  title     = {Building shape influence on local wind loads},
  series = {Proceedings of the 2nd European \& African Conference on Wind Engineering : 2 EACWE, Palazzo Ducale, Genova, Italy, June 22-26, 1997 / ed. by Giovanni Solari. - Vol. 2},
  journal   = {Proceedings of the 2nd European \& African Conference on Wind Engineering : 2 EACWE, Palazzo Ducale, Genova, Italy, June 22-26, 1997 / ed. by Giovanni Solari. - Vol. 2},
  publisher = {Servizi Grafici Editoriali},
  address   = {Padova},
  isbn      = {88-86281-19-6},
  pages     = {XIX, S. 1017 - 1998 : Ill., graph. Darst.},
  year      = {1997},
  language  = {en}
}
@article{Gerhardt2005,
  author    = {Gerhardt, Hans Joachim},
  title     = {Teures Bauen durch starre Genehmigungspraxis},
  series = {Der Bausachverst{\"a}ndige : Zeitschrift f{\"u}r Bausch{\"a}den, Grundst{\"u}ckswert und gutachterliche T{\"a}tigkeit. 1 (2005), H. 5},
  journal   = {Der Bausachverst{\"a}ndige : Zeitschrift f{\"u}r Bausch{\"a}den, Grundst{\"u}ckswert und gutachterliche T{\"a}tigkeit. 1 (2005), H. 5},
  isbn      = {1614-6123},
  pages     = {44 -- 45},
  year      = {2005},
  language  = {de}
}
@article{GerhardtLieb2005,
  author    = {Gerhardt, Hans Joachim and Lieb, R.-D.},
  title     = {Entrauchung komplexer R{\"a}umlichkeiten : Strategien und Steuerungen},
  series = {T{\"u}r-Tor-Fenster-Report : Fachzeitschrift f{\"u}r die Technologien von T{\"u}ren, Toren und Fenstern. 25 (2005), H. 3},
  journal   = {T{\"u}r-Tor-Fenster-Report : Fachzeitschrift f{\"u}r die Technologien von T{\"u}ren, Toren und Fenstern. 25 (2005), H. 3},
  isbn      = {0724-7702},
  pages     = {27 -- 29},
  year      = {2005},
  language  = {de}
}
@article{LeyPlescherScholzetal.2007,
  author    = {Ley, Wilfried and Plescher, Engelbert and Scholz, Artur and Piepenbrock, Johannes},
  title     = {COMPASS-1 picosatellite project / Ley, Wilfried ; Plescher, Engelbert ; Scholz, Artur ; Piepenbrock, Johannes},
  series = {Small satellites for earth observation : digest of the 6th International symposium of the International Academy of Astronautics, Berlin, April 23 - 26, 2007 / ed. by Rainer Sandau; Hans-Peter R{\"o}ser; Arnoldo Valenzuela},
  journal   = {Small satellites for earth observation : digest of the 6th International symposium of the International Academy of Astronautics, Berlin, April 23 - 26, 2007 / ed. by Rainer Sandau; Hans-Peter R{\"o}ser; Arnoldo Valenzuela},
  publisher = {Wissenschaft und Technik Verl.},
  address   = {Berlin},
  isbn      = {9783896855718},
  pages     = {147 -- 150},
  year      = {2007},
  language  = {en}
}
@article{Wittmann2000,
  author    = {Wittmann, Klaus},
  title     = {Overview of Space Operations at DLR},
  year      = {2000},
  language  = {en}
}
@article{WittmannKehrWillnecker2000,
  author    = {Wittmann, Klaus and Kehr, J. and Willnecker, R.},
  title     = {Decentralized Payload Operations Concept for Columbus},
  year      = {2000},
  language  = {en}
}
@article{WittmannBibringRosenbaueretal.2007,
  author    = {Wittmann, Klaus and Bibring, J.-P. and Rosenbauer, H. and Boehnhardt, H.},
  title     = {The Rosetta Lander ("Philae") Investigations / Bibring, J.-P. ; Rosenbauer, H. ; Boehnhardt, H. ; [...] Wittmann, K.},
  series = {Space Science Reviews. 128 (2007), H. 1-4},
  journal   = {Space Science Reviews. 128 (2007), H. 1-4},
  isbn      = {0038-6308},
  pages     = {205 -- 220},
  year      = {2007},
  language  = {en}
}