@book{Wollert1995,
  author    = {Wollert, J{\"o}rg},
  title     = {Ein Beitrag zur kognitiven Modellierung regelungstechnischer Systeme unter Ber{\"u}cksichtigung heuristischer und analytischer Merkmale. (Fortschrittberichte VDI : Reihe 8, Meß-, Steuerungs- und Regelungstechnik ; 450)},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-345008-9},
  pages     = {VIII, 165 S.},
  year      = {1995},
  language  = {de}
}
@book{WollertFiedler1995,
  author    = {Wollert, J{\"o}rg and Fiedler, J{\"o}rg},
  title     = {Automatisieren mit dem PC : Hardware, Software, Realisierung},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-401318-9},
  pages     = {VIII, 293 S.},
  year      = {1995},
  language  = {de}
}
@book{EngelnMuellgesNiederdrenk1996,
  author    = {Engeln-M{\"u}llges, Gisela and Niederdrenk, Klaus},
  title     = {Fortran 90 mit Fortran 95},
  publisher = {Rowohlt},
  address   = {Reinbek bei Hamburg},
  isbn      = {3-499-19826-6},
  pages     = {351 S.},
  year      = {1996},
  language  = {de}
}
@book{EngelnMuellgesUhlig1996,
  author    = {Engeln-M{\"u}llges, Gisela and Uhlig, Frank},
  title     = {Numeric Algorithms with Fortran},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-60529-0},
  pages     = {XXII, 602 S. : Ill., graph. Darst. + 1 CD-ROM},
  year      = {1996},
  language  = {en}
}
@book{EngelnMuellgesUhlig1996,
  author    = {Engeln-M{\"u}llges, Gisela and Uhlig, Frank},
  title     = {Numerical algorithms with C},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-60530-0},
  pages     = {XXII, 596 S. : graph. Darst. + 1 CD-ROM},
  year      = {1996},
  language  = {en}
}
@book{BaatzSanderLanghoff1996,
  author    = {Baatz, Udo and Sander, Ralf and Langhoff, R.},
  title     = {Studienf{\"u}hrer f{\"u}r der Fachbereich 8 Maschinenbau FH Aachen},
  publisher = {Stercken-Verl.},
  address   = {Aachen},
  year      = {1996},
  language  = {de}
}
@book{Pfeiffer1996,
  author    = {Pfeiffer, Johann},
  title     = {Automatisierung in der Handhabungs- und Montagetechnik},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  year      = {1996},
  language  = {de}
}
@book{Pfeiffer1997,
  author    = {Pfeiffer, Johann},
  title     = {HSP III Koordinatenmessger{\"a}t},
  publisher = {Fachhochsch.},
  address   = {Aachen},
  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{KnepperPfeiffer1998,
  author    = {Knepper, Ludger and Pfeiffer, Johann},
  title     = {Diplom-Ingenieur/Diplom-Ingenieurin (Fachhochschule) Maschinenbau Konstruktionstechnik},
  publisher = {Bertelsmann},
  address   = {Bielefeld},
  pages     = {Loseblattausg.},
  year      = {1998},
  language  = {de}
}