@article{DahlSuttrop1998,
  author    = {Dahl, G{\"u}nter and Suttrop, F.},
  title     = {Engine control and low-NO(x) combustion for hydrogen fuelled aircraft gas turbines},
  series = {International Journal of Hydrogen Energy. 23 (1998), H. 8},
  journal   = {International Journal of Hydrogen Energy. 23 (1998), H. 8},
  isbn      = {0360-3199},
  pages     = {695 -- 704},
  year      = {1998},
  language  = {en}
}
@book{Ley1998,
  author    = {Ley, Wilfried},
  title     = {Internationale Raumstation : Konfiguration, Betrieb und Nutzung ; Gemeinschaftsveranstaltung der FH Aachen, der DGLR und des DLR / 11. Raumfahrt-Kolloquium an der Fachhochschule Aachen, 26. November 1998. / Ley, Wilfried [Hrsg.]},
  publisher = {DGLR},
  address   = {Bonn},
  isbn      = {3-932182-04-9},
  pages     = {VIII, 208 S. : Ill., graph. Darst., 30 cm},
  year      = {1998},
  language  = {de}
}
@book{Vismann1995,
  author    = {Vismann, Ulrich},
  title     = {Zuverl{\"a}ssigkeitstheoretische Verifikation von Bemessungskriterien im Stahlbetonbau},
  publisher = {Techn. Univ.},
  address   = {M{\"u}nchen},
  pages     = {V, 241 S. : graph. Darst.},
  year      = {1995},
  language  = {de}
}
@book{Ley1997,
  author    = {Ley, Wilfried},
  title     = {Raumfahrtmissionen zur Erkundung des Sonnensystems : Gemeinschaftsveranstaltung der FH Aachen, der DGLR und des DLR / 10. Raumfahrt-Kolloquium an der Fachhochschule Aachen, 5. November 1997 / Ley, Wilfried [Hrsg.]},
  publisher = {DGLR},
  address   = {Bonn},
  isbn      = {3-922010-99-7},
  pages     = {VIII, 251 S. : Ill., graph. Darst., 30 cm},
  year      = {1997},
  language  = {de}
}
@book{VismannZilch1996,
  author    = {Vismann, Ulrich and Zilch, Konrad},
  title     = {Bemessungsannahmen zur Boden-Bauwerk-Wechselwirkung aus der Sicht der Tragwerksplanung : [Abschlußbericht] / Verf.: K. Zilch},
  publisher = {IRB-Verl.},
  address   = {Stuttgart},
  pages     = {38 S. : graph. Darst.},
  year      = {1996},
  language  = {de}
}
@book{Ley1995,
  author    = {Ley, Wilfried},
  title     = {Tr{\"a}gersysteme : Gemeinschaftsveranstaltung der FH Aachen und der DGLR / 8. Raumfahrt-Kolloquium an der Fachhochschule Aachen, 9. November 1995 / Ley, Wilfried [Hrgs.]},
  publisher = {DGLR},
  address   = {Bonn},
  isbn      = {3-922010-92-X},
  pages     = {VII, 245 S. : Ill., graph. Darst.},
  year      = {1995},
  language  = {de}
}
@book{Ley1990,
  author    = {Ley, Wilfried},
  title     = {Seilgefesselte Raumflugk{\"o}rper, -Tethertechnik- : Gemeinschaftsveranstaltung der FH Aachen und der DGLR ... / 3. Raumfahrt-Kolloquium an der Fachhochschule Aachen, 13. Dezember 1990. [Wiss. Programmleitung: W. Ley, W. Hallmann]},
  publisher = {DGLR},
  address   = {Bonn},
  isbn      = {3-922010-59-8},
  pages     = {Getr. Z{\"a}hl. : graph. Darst.},
  year      = {1990},
  language  = {de}
}
@book{Ley1982,
  author    = {Ley, Wilfried},
  title     = {Bewertung von Solarkollektormessungen unter natuerlichen und simulierten Bedingungen},
  publisher = {Inst. f. Raumsimulation},
  address   = {K{\"o}ln},
  pages     = {190 Seiten, 133 Bilder, 19 Tabellen, 43 Quellen},
  year      = {1982},
  language  = {de}
}
@book{Ley1988,
  author    = {Ley, Wilfried},
  title     = {Handbuch der Raumfahrttechnik : Grundlagen - Nutzung, Raumfahrtsysteme - Produktsicherung u. Produktmanagement / Willi Hallmann; Wilfried Ley},
  publisher = {Hanser},
  address   = {M{\"u}nchen [u.a.]},
  isbn      = {3446151303},
  pages     = {XVIII, 792 S : Ill., graph. Darst.},
  year      = {1988},
  language  = {de}
}
@article{Hoepner2004,
  author    = {Hoepner, Gert},
  title     = {Info-Web-Generation},
  series = {Dm-compact : academic news for marketeers / Deutscher Direktmarketing Verband e. V.. 2 (2004), H. 3-4},
  journal   = {Dm-compact : academic news for marketeers / Deutscher Direktmarketing Verband e. V.. 2 (2004), H. 3-4},
  isbn      = {1573-3181},
  pages     = {14 -- 20},
  year      = {2004},
  language  = {en}
}
@article{Feiser2004,
  author    = {Feiser, Johannes},
  title     = {Geotechnik},
  series = {Bautechnische Zahlentafeln : [jetzt mit neuer DIN 1052, DIN1053-1 und DIN 1054] / Wendehorst. Hrsg. von Otto W. Wetzell. Bearb. von: Herwig Baumgartner ... . 31., vollst. {\"u}berb. und aktualisierte Aufl.},
  journal   = {Bautechnische Zahlentafeln : [jetzt mit neuer DIN 1052, DIN1053-1 und DIN 1054] / Wendehorst. Hrsg. von Otto W. Wetzell. Bearb. von: Herwig Baumgartner ... . 31., vollst. {\"u}berb. und aktualisierte Aufl.},
  publisher = {Teubner [u.a.]},
  address   = {Stuttgart [u.a.]},
  isbn      = {3-519-55002-4},
  pages     = {1017 -- 1118},
  year      = {2004},
  language  = {de}
}
@article{WittmannUlamecRichter1999,
  author    = {Wittmann, Klaus and Ulamec, S and Richter, L},
  title     = {Lander Systems for Planetary Missions},
  series = {Laboratory astrophysics and space research / ed. by P. Ehrenfreund},
  journal   = {Laboratory astrophysics and space research / ed. by P. Ehrenfreund},
  publisher = {Kluwer},
  address   = {Dordrecht [u.a.]},
  isbn      = {0-7923-5338-2},
  pages     = {597 -- 621},
  year      = {1999},
  language  = {en}
}
@article{WittmannSchmidtFeuerbacher1988,
  author    = {Wittmann, Klaus and Schmidt, H. P. and Feuerbacher, B.},
  title     = {Microgravity research and user support in the Space Station era: The Microgravity User Support Centre},
  series = {Acta Astronautica. 17 (1988), H. 11-12},
  journal   = {Acta Astronautica. 17 (1988), H. 11-12},
  isbn      = {0094-5765},
  pages     = {1161 -- 1168},
  year      = {1988},
  language  = {en}
}
@article{Wrede2005,
  author    = {Wrede, Oliver},
  title     = {Wer nicht h{\"o}ren will muss sehen : ein Pl{\"a}doyer f{\"u}r eine entwurfsbezogene Bildwissenschaft},
  series = {Boxhorn. 12 (2005), H. Sehsturz},
  journal   = {Boxhorn. 12 (2005), H. Sehsturz},
  pages     = {24 -- 25},
  year      = {2005},
  language  = {de}
}
@article{WittmannFeuerbacherUlamecetal.1999,
  author    = {Wittmann, Klaus and Feuerbacher, B. and Ulamec, S. and Rosenbauer, H. (u.a.)},
  title     = {Rosetta Lander - In Situ Characterisation of a Comet Nucleus},
  series = {Acta Astronautica. 45 (1999), H. 4-9},
  journal   = {Acta Astronautica. 45 (1999), H. 4-9},
  isbn      = {0094-5765},
  pages     = {389 -- 395},
  year      = {1999},
  language  = {en}
}
@article{Mohr2005,
  author    = {Mohr, Klaus},
  title     = {Das Bild im Kopf},
  series = {Boxhorn. 12 (2005), H. Sehsturz},
  journal   = {Boxhorn. 12 (2005), H. Sehsturz},
  pages     = {8 -- 9},
  year      = {2005},
  language  = {de}
}
@article{WittmannGillessenOttoetal.1996,
  author    = {Wittmann, Klaus and Gillessen, F. and Otto, G. and R{\"o}stel, R.},
  title     = {Undercooling and solidification of metallic melts suspended in a non-nucleating matrix: Experiment NUCAL of the German Spacelab Mission D-2},
  series = {Acta Astronautica. 38 (1996), H. 1},
  journal   = {Acta Astronautica. 38 (1996), H. 1},
  isbn      = {0094-5765},
  pages     = {63 -- 68},
  year      = {1996},
  language  = {en}
}
@article{Mohr2004,
  author    = {Mohr, Klaus},
  title     = {Mein Gott bist du gut},
  series = {Boxhorn. 11 (2004), H. Inflation},
  journal   = {Boxhorn. 11 (2004), H. Inflation},
  pages     = {24 -- 25},
  year      = {2004},
  language  = {de}
}
@article{Mohr2004,
  author    = {Mohr, Klaus},
  title     = {-----},
  series = {Boxhorn. 11 (2004), H. Inflation},
  journal   = {Boxhorn. 11 (2004), H. Inflation},
  pages     = {44},
  year      = {2004},
  language  = {de}
}
@article{Gasteier2004,
  author    = {Gasteier, Klaus},
  title     = {Fiat money : Design und das liebe Geld},
  series = {Boxhorn. 11 (2004), H. Inflation},
  journal   = {Boxhorn. 11 (2004), H. Inflation},
  pages     = {28 -- 33},
  year      = {2004},
  language  = {de}
}