@book{Stulpe1997,
  author    = {Stulpe, Werner},
  title     = {Classical Representations of Quantum Mechanics Related to Statistically Complete Observables},
  publisher = {Wissenschaft und Technik Verl.},
  address   = {Berlin},
  isbn      = {3-89685-438-0},
  pages     = {117 S. : graph. Darst.},
  year      = {1997},
  language  = {en}
}
@book{Mayer1997,
  author    = {Mayer, Claudia},
  title     = {Das Treffen in Telgte : eine Erz{\"a}hlung / G{\"u}nter Grass. Hrsg. von Claudia Mayer-Iswandy},
  publisher = {Steidl},
  address   = {G{\"o}ttingen},
  isbn      = {3-88243-490-2},
  pages     = {176 S.},
  year      = {1997},
  language  = {de}
}
@book{Mayer1997,
  author    = {Mayer, Claudia},
  title     = {Der Butt : Roman / G{\"u}nter Grass. Hrsg. von Claudia Mayer-Iswandy},
  publisher = {Steidl},
  address   = {G{\"o}ttingen},
  isbn      = {3-88243-489-9},
  pages     = {703 S.},
  year      = {1997},
  language  = {de}
}
@book{Pfeiffer1997,
  author    = {Pfeiffer, Johann},
  title     = {Design und Herstellen von Werkzeugen mit Freiformfl{\"a}chen},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1997},
  language  = {de}
}
@book{PietschmannVahs1997,
  author    = {Pietschmann, Bernd P. and Vahs, Dietmar},
  title     = {Einf{\"u}hrung in die Betriebswirtschaftslehre. Lehrbuch mit Beispielen und Kontrollfragen},
  publisher = {Sch{\"a}ffer-Poeschel},
  address   = {Stuttgart},
  isbn      = {3-7910-1030-1},
  pages     = {XX, 326 S. : graph. Darst.},
  year      = {1997},
  language  = {de}
}
@book{Call1997,
  author    = {Call, Guido},
  title     = {Entstehung und Markteinf{\"u}hrung von Produktneuheiten},
  publisher = {Gabler},
  address   = {Wiesbaden},
  isbn      = {3409136975},
  pages     = {XX, 290 S.: graph. Darst.},
  year      = {1997},
  language  = {de}
}
@book{Terstegge1997,
  author    = {Terstegge, Andreas},
  title     = {Entwicklung eines hochaufl{\"o}senden Positronen-Emissions-Tomographen mit kleinem Meßvolumen : Datenakquisition und Rekonstruktion},
  address   = {Aachen},
  pages     = {VI, 138 S. : Ill.. graph. Darst.},
  year      = {1997},
  language  = {de}
}
@book{SchwarzerMeerSiggelkow1997,
  author    = {Schwarzer, Klemens and Meer, Andreas von and Siggelkow, Patricio},
  title     = {Entwicklung und Erprobung von kleinen regenerativen Energiesystemen f{\"u}r den l{\"a}ndlichen Raum in Chile : Schlußbericht ; gef{\"o}rdert durch den Bundesminister f{\"u}r Bildung und Technologie, F{\"o}rderkennzeichen: 0329179 A/B ; Laufzeit: 01.07.1991 - 31.12.1995 / Andreas von Meer ; Klemens Schwarzer ; Patricio Siggelkow. - (Berichte aus der Energietechnik)},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3-8265-2112-9},
  pages     = {V, 89 S. : Ill., graph. Darst.},
  year      = {1997},
  language  = {de}
}
@book{CasseSchlueter1997,
  author    = {Casse-Schl{\"u}ter, Doris},
  title     = {Fachhochschule Aachen Fachbereich Design / Projektbetreuung Doris Casse-Schl{\"u}ter. Design: Martina Berg ...},
  address   = {Aachen},
  year      = {1997},
  language  = {de}
}
@book{Pfeiffer1997,
  author    = {Pfeiffer, Johann},
  title     = {HSP III Koordinatenmessger{\"a}t},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1997},
  language  = {de}
}