@article{KernWiesingerZischank1991,
  author    = {Kern, Alexander and Wiesinger, J. and Zischank, Wolfgang J.},
  title     = {Calculation of the longitudinal voltage along metal tubes caused by lightning currents and protection measures},
  series = {Seventh International Symposium on High Voltage Engineering : Dresden, August 26 - 30 1991},
  journal   = {Seventh International Symposium on High Voltage Engineering : Dresden, August 26 - 30 1991},
  publisher = {Techn. Univ.},
  address   = {Dresden},
  year      = {1991},
  language  = {en}
}
@article{Kern1991,
  author    = {Kern, Alexander},
  title     = {Simulation and measurement of melting effects on metal sheets caused by direct lightning strikes},
  series = {1991 International Aerospace and Ground Conference on Lightning and Static Electricity : proceedings of a conference ... held at Cocoa Beach, Florida, April 16-19, 1991 / NASA},
  journal   = {1991 International Aerospace and Ground Conference on Lightning and Static Electricity : proceedings of a conference ... held at Cocoa Beach, Florida, April 16-19, 1991 / NASA},
  address   = {Washington, DC},
  year      = {1991},
  language  = {en}
}
@article{KernHasseWiesingeretal.1991,
  author    = {Kern, Alexander and Hasse, P. and Wiesinger, J. and Zischank, Wolfgang J.},
  title     = {Aktuelles aus der Blitzforschung},
  series = {ETZ : Elektrotechnik + Automation. 112 (1991), H. 1},
  journal   = {ETZ : Elektrotechnik + Automation. 112 (1991), H. 1},
  isbn      = {0170-1711},
  year      = {1991},
  language  = {de}
}
@article{HeuermannSchiek1991,
  author    = {Heuermann, Holger and Schiek, Burkhard},
  title     = {Robuster Algorithmus zur Streuparameterbestimmung f{\"u}r systemfehlerkorrigierte Netzwerkanalysatoren},
  series = {Kleinheubacher Berichte : Vortr{\"a}ge und Berichte der gemeinsamen Tagung des U.R.S.I.-Landesausschusses in der Bundesrepublik Deutschland / Hrsg.: Deutsche Telekom AG. 35. 1991 (1991)},
  journal   = {Kleinheubacher Berichte : Vortr{\"a}ge und Berichte der gemeinsamen Tagung des U.R.S.I.-Landesausschusses in der Bundesrepublik Deutschland / Hrsg.: Deutsche Telekom AG. 35. 1991 (1991)},
  pages     = {555 -- 556},
  year      = {1991},
  language  = {de}
}
@article{RaatschenHolznerBorrmannetal.1991,
  author    = {Raatschen, Hans-J{\"u}rgen and Holzner, M. and Borrmann, M. and Pfrang, W.},
  title     = {Numerische Simulation von Umformprozessen mit dem expliziten FE-Programm UFO-3D},
  pages     = {91 -- 105},
  year      = {1991},
  language  = {de}
}
@article{Krause1991,
  author    = {Krause, Gregor},
  title     = {High Field Phenomena of Polymeric Insulation Investigated at PE Needle-Plane Specimen},
  series = {Seventh International Symposium on High Voltage Engineering : Dresden, August 26 - 30, 1991 / Technische Universit{\"a}t Dresden},
  journal   = {Seventh International Symposium on High Voltage Engineering : Dresden, August 26 - 30, 1991 / Technische Universit{\"a}t Dresden},
  publisher = {TU Dresden},
  address   = {Dresden},
  year      = {1991},
  language  = {en}
}
@article{KrauseNeubertPietsch1991,
  author    = {Krause, Gregor and Neubert, R. and Pietsch, R.},
  title     = {Elektrische Eigenschaften von Kunststoffen},
  publisher = {RWTH},
  address   = {Aachen},
  year      = {1991},
  language  = {de}
}
@article{Siepmann1991,
  author    = {Siepmann, Thomas},
  title     = {Expertensysteme in der rechnerintegrierten Produktion},
  series = {Einf{\"u}hrung in die CIM-Praxis : rechnerintegrierte Produktion / hrsg. von Gerhard Neipp ...},
  journal   = {Einf{\"u}hrung in die CIM-Praxis : rechnerintegrierte Produktion / hrsg. von Gerhard Neipp ...},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-401098-8},
  pages     = {187 -- 198},
  year      = {1991},
  language  = {de}
}
@book{Krause1991,
  author    = {Krause, Gregor},
  title     = {Leitungsmechanismen und Raumladungsph{\"a}nomene in Polyolefinen bei Hochfeldbeanspruchung},
  publisher = {Verl. d. Augustinus-Buchh.},
  address   = {Aachen},
  isbn      = {3-925038-97-3},
  pages     = {137 S. : graph. Darst.},
  year      = {1991},
  language  = {de}
}
@article{GrundmannKramer1991,
  author    = {Grundmann, Reinhard and Kramer, Carl},
  title     = {Einheitliche Darstellung von Str{\"o}mungsger{\"a}uschen. Beschreibung der Schalleistung und Darstellung einiger Str{\"o}mungsger{\"a}usche - 2. Teil.},
  series = {HLH - Zeitschrift f{\"u}r Heizung, L{\"u}ftung, Klimatechnik, Haustechnik. 42 (1991), H. 4},
  journal   = {HLH - Zeitschrift f{\"u}r Heizung, L{\"u}ftung, Klimatechnik, Haustechnik. 42 (1991), H. 4},
  isbn      = {0017-9906},
  pages     = {275 -- 281},
  year      = {1991},
  language  = {de}
}
@article{GrundmannKramer1991,
  author    = {Grundmann, Reinhard and Kramer, Carl},
  title     = {Einheitliche Darstellung von Str{\"o}mungsger{\"a}uschen. Beschreibung der Schalleistung und Darstellung einiger Str{\"o}mungsger{\"a}usche. 1. Teil.},
  series = {HLH - Zeitschrift f{\"u}r Heizung, L{\"u}ftung, Klimatechnik, Haustechnik. 42 (1991), H. 3},
  journal   = {HLH - Zeitschrift f{\"u}r Heizung, L{\"u}ftung, Klimatechnik, Haustechnik. 42 (1991), H. 3},
  isbn      = {0017-9906},
  pages     = {233 -- 238},
  year      = {1991},
  language  = {de}
}
@book{FaboEisenbeisHageboelling1991,
  author    = {Fabo, Sabine and Eisenbeis, Manfred and Hageb{\"o}lling, Heide},
  title     = {Projekt f{\"u}r die Gr{\"u}ndung eines Internationalen Zentrums f{\"u}r Kunst und Medien : M{\"o}glichkeitsstudie f{\"u}r die UNESCO},
  publisher = {Kunsthochschule f{\"u}r Medien K{\"o}ln},
  address   = {K{\"o}ln},
  year      = {1991},
  language  = {de}
}
@book{Hegewald1991,
  author    = {Hegewald, Ulf},
  title     = {Plastiken 91 / Xylon, Museum + Werkst{\"a}tten},
  address   = {Schwetzingen},
  pages     = {34 S. : {\"u}berw. Ill.},
  year      = {1991},
  language  = {de}
}
@book{Maether1991,
  author    = {Maether, Christiane},
  title     = {Figur und Fragment : Gem{\"a}lde und Zeichnungen 1985-1990},
  address   = {Kaiserslautern},
  isbn      = {3-89422-039-2},
  pages     = {94 S. : {\"u}berw. Ill.},
  year      = {1991},
  language  = {de}
}
@book{EngelnMuellgesReutter1991,
  author    = {Engeln-M{\"u}llges, Gisela and Reutter, Fritz},
  title     = {Formelsammlung zur numerischen Mathematik mit Quick-BASIC-Programmen. Anh. Quick-BASIC-Programme / von J{\"u}rgen Dietel ... / von Gisela Engeln-M{\"u}llges und Fritz Reutter},
  publisher = {BI-Wiss.-Verl.},
  address   = {Mannheim, Wien , Z{\"u}rich},
  isbn      = {3-411-14312-6},
  pages     = {XXIV, 1006 S., 24 cm},
  year      = {1991},
  language  = {de}
}
@article{Grap1991,
  author    = {Grap, Rolf Dietmar},
  title     = {Die Multimomentstudie als Hilfsmittel zur Objektivierung der Beobachtung von Probanden in Assessment-Centern},
  series = {Personal (1991)},
  journal   = {Personal (1991)},
  address   = {K{\"o}ln},
  pages     = {190 -- 194},
  year      = {1991},
  language  = {de}
}
@article{Grap1991,
  author    = {Grap, Rolf Dietmar},
  title     = {Ein {\"o}konomisches Modell zur Begr{\"u}ndung von Teamstrukturen beim Desktop-Publishing-Einsatz im Schulbuchverlag. Teil 1},
  series = {Deutscher Drucker. 27 (1991), H. 9},
  journal   = {Deutscher Drucker. 27 (1991), H. 9},
  isbn      = {0012-1096},
  year      = {1991},
  language  = {de}
}
@article{Grap1991,
  author    = {Grap, Rolf Dietmar},
  title     = {Ein {\"o}konomisches Modell zur Begr{\"u}ndung von Teamstrukturen beim Desktop-Publishing-Einsatz im Schulbuchverlag. Teil 2},
  series = {Deutscher Drucker. 27 (1991), H. 12},
  journal   = {Deutscher Drucker. 27 (1991), H. 12},
  isbn      = {0012-1096},
  year      = {1991},
  language  = {de}
}
@article{Grap1991,
  author    = {Grap, Rolf Dietmar},
  title     = {Planung des DTP-Einsatzes in Schulbuchverlagen},
  series = {Zeitschrift f{\"u}r Arbeitswissenschaft. 45 (1991), H. 1},
  journal   = {Zeitschrift f{\"u}r Arbeitswissenschaft. 45 (1991), H. 1},
  isbn      = {0340-2444},
  pages     = {36 -- 46},
  year      = {1991},
  language  = {de}
}
@article{Grap1991,
  author    = {Grap, Rolf Dietmar},
  title     = {Softwaretest: Apples neues Betriebssystem OS 7.0 und seine Bedeutung in der Verlagsarbeit},
  series = {Deutscher Drucker. 27 (1991), H. 40},
  journal   = {Deutscher Drucker. 27 (1991), H. 40},
  isbn      = {0012-1096},
  year      = {1991},
  language  = {de}
}