@book{Westerheide1973,
  author    = {Westerheide, Peter},
  title     = {Ausgew{\"a}hlte Verfahren zur Bestimmung des Belegungsgrades in Schienensystemen (Bahnstrecke Dortmund-Hamm)},
  address   = {M{\"u}nster},
  year      = {1973},
  language  = {de}
}
@book{Stiegler1976,
  author    = {Stiegler, Roland},
  title     = {Studenten zu Studium und Beruf- Untersuchung im FB 05 [Architektur] (Typoskript) und Bericht "FH-Rport"},
  year      = {1976},
  language  = {de}
}
@book{Steinhausen1977,
  author    = {Steinhausen, Detlef},
  title     = {Clusteranalyse},
  edition   = {1. Aufl.},
  publisher = {de Gruyter},
  address   = {Berlin [u.a.]},
  isbn      = {3-11-007054-5},
  pages     = {206 S. : graph. Darst.},
  year      = {1977},
  language  = {de}
}
@book{Thalenhorst1979,
  author    = {Thalenhorst, Jobst},
  title     = {Die Bedeutung der Zeitstruktur des Kapitals f{\"u}r den wirtschaftlichen Ablauf},
  address   = {Bielefeld},
  year      = {1979},
  language  = {de}
}
@book{BaakenStrothmannStrebeletal.1983,
  author    = {Baaken, Thomas and Strothmann, Karl-Heinz and Strebel, Heinz and B{\"o}hme, Joachim},
  title     = {Auswirkungen der Mikroelektronik auf den Export von Investitionsg{\"u}tern},
  address   = {W{\"u}rzburg},
  year      = {1983},
  language  = {de}
}
@book{BaakenKnetsch1983,
  author    = {Baaken, Thomas and Knetsch, Werner},
  title     = {Ver{\"a}nderungen der beruflichen Qualifikation beim Einsatz neuer Technologien am Beispiel der CAD/CAM Technologie},
  address   = {Berlin},
  year      = {1983},
  language  = {de}
}
@book{SchauweckerLane1985,
  author    = {Schauwecker, Hans-Peter and Lane, Roland},
  title     = {Einf{\"u}hrung in das deutsche und englische Wirtschaftsrecht},
  edition   = {1. Aufl.},
  publisher = {Inst. f{\"u}r Europ. Wirtschafts- u. Steuerrecht},
  address   = {Basel},
  isbn      = {3-906512-00-2},
  pages     = {XI S., 76 Bl. (zweiseitig bedr},
  year      = {1985},
  language  = {de}
}
@book{WesterheideGarus1985,
  author    = {Westerheide, Peter and Garus, Guntram},
  title     = {Differential- und Integralrechnung},
  edition   = {1. Aufl.},
  publisher = {Hanser},
  address   = {M{\"u}nchen [u.a.]},
  isbn      = {3-446-13038-1},
  pages     = {250 S. : graph. Darst.},
  year      = {1985},
  language  = {de}
}
@book{Westerheide1985,
  author    = {Westerheide, Peter},
  title     = {Differential- und Integralrechnung (Analysis)},
  publisher = {Hanser-Verlag},
  address   = {M{\"u}nchen},
  isbn      = {3-446-13038-1},
  year      = {1985},
  language  = {de}
}
@book{Schauwecker1987,
  author    = {Schauwecker, Hans-Peter},
  title     = {Das Grossbritannien-Gesch{\"a}ft},
  edition   = {1. Aufl.},
  publisher = {Gabler},
  address   = {Wiesbaden},
  isbn      = {3-409-19607-2},
  pages     = {167 S.},
  year      = {1987},
  language  = {de}
}