@article{HagemannHeroGonser1980,
  author    = {Hagemann, Hans-J{\"u}rgen and Hero, A. and Gonser, U.},
  title     = {The valence change of Fe in BaTiO3 studied by M{\"o}ßbauer effect and gravimetry. Hagemann, H. J.; Hero, A.; Gonser, U.},
  series = {Physica Status Solidi (A) - Applied Research. 61 (1980)},
  journal   = {Physica Status Solidi (A) - Applied Research. 61 (1980)},
  isbn      = {0031-8965},
  pages     = {63 -- 72},
  year      = {1980},
  language  = {en}
}
@article{HagemannHennings1981,
  author    = {Hagemann, Hans-J{\"u}rgen and Hennings, D.},
  title     = {Reversible Weight change of acceptor-doped BaTiO3. Hagemann, H. J.; Hennings, D.},
  series = {Journal of the American Ceramic Society. 64 (1981)},
  journal   = {Journal of the American Ceramic Society. 64 (1981)},
  isbn      = {0002-7820},
  pages     = {590 -- 594},
  year      = {1981},
  language  = {en}
}
@article{HagemannHenningsWernicke1984,
  author    = {Hagemann, Hans-J{\"u}rgen and Hennings, D. and Wernicke, R.},
  title     = {Ceramic multilayer capacitors. Hagemann, H. J.; Hennings, D.; Wernicke, R.},
  series = {Philips' technical review / Philips' Gloeilampenfabrieken. Philips' Gloeilampenfabrieken <Eindhoven>. 41 (1984)},
  journal   = {Philips' technical review / Philips' Gloeilampenfabrieken. Philips' Gloeilampenfabrieken <Eindhoven>. 41 (1984)},
  isbn      = {0031-7926},
  pages     = {89 -- 98},
  year      = {1984},
  language  = {en}
}
@article{HagemannHenningsWernicke1984,
  author    = {Hagemann, Hans-J{\"u}rgen and Hennings, D. and Wernicke, R.},
  title     = {Keramische Vielschichtkondensatoren. Hagemann, H. J.; Hennings, D.; Wernicke, R.},
  series = {Sprechsaal : internat. ceramics \& glass magazine. 117 (1984)},
  journal   = {Sprechsaal : internat. ceramics \& glass magazine. 117 (1984)},
  isbn      = {0341-0439},
  pages     = {924 -- 931},
  year      = {1984},
  language  = {de}
}
@article{HagemannStumpeWagneretal.1985,
  author    = {Hagemann, Hans-J{\"u}rgen and Stumpe, R. and Wagner, D. and B{\"a}uerle, D.},
  title     = {The influence of contact effects on the dielectric behavior of diffuse phase transitions. Stumpe, R.; Wagner, D.; B{\"a}uerle, D.; Hagemann, H. J.},
  series = {Ferroelectrics : the international journal devoted to the theoretical, experimental, and applied aspects of ferroelectrics and related materials / Letters section. 4 (1985)},
  journal   = {Ferroelectrics : the international journal devoted to the theoretical, experimental, and applied aspects of ferroelectrics and related materials / Letters section. 4 (1985)},
  isbn      = {0731-5171},
  pages     = {143 -- 147},
  year      = {1985},
  language  = {en}
}
@article{HagemannGeittnerWarnieretal.1985,
  author    = {Hagemann, Hans-J{\"u}rgen and Geittner, P. and Warnier, J. and Weling, F.},
  title     = {Reduction of geometric taper losses in the PCVD process. Geittner, P.; Hagemann, H. J.; Warnier, J.; Weling, F.; Wilson, H.},
  series = {Electronics letters : an intern. publication / The Institution of Electrical Engineers. 21 (1985), H. 13},
  journal   = {Electronics letters : an intern. publication / The Institution of Electrical Engineers. 21 (1985), H. 13},
  isbn      = {0013-5194},
  pages     = {870 -- 871},
  year      = {1985},
  language  = {en}
}
@article{RitzStender2006,
  author    = {Ritz, Thomas and Stender, Michael},
  title     = {Modeling of B2B mobile commerce processes},
  series = {International Journal of Production Economics},
  volume    = {101},
  journal   = {International Journal of Production Economics},
  number    = {1},
  issn      = {0925-5273},
  doi       = {10.1016/j.ijpe.2005.05.017},
  pages     = {128 -- 139},
  year      = {2006},
  language  = {en}
}
@book{LohrDeppe2001,
  author    = {Lohr, J{\"u}rgen and Deppe, Andreas},
  title     = {Der CMS-Guide : Content-Management-Systeme: Erfolgsfaktoren, Gesch{\"a}ftsmodelle, Produkt{\"u}bersicht},
  publisher = {Vieweg},
  address   = {Braunschweig [u.a.]},
  isbn      = {3-528-05768-8},
  pages     = {XV, 201 S. : graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{Lohr1998,
  author    = {Lohr, J{\"u}rgen},
  title     = {Probleme und L{\"o}sungen von Multimedia-Diensten und interaktiven Kommunikationsdiensten im nationalen und internationalen Umfeld},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-356410-6},
  pages     = {X, 277 S.: graph. Darst.},
  year      = {1998},
  language  = {de}
}
@article{Heuermann2006,
  author    = {Heuermann, Holger},
  title     = {Verringerung des Phasenrauschens von Oszillatoren durch Dual-Mode-Resonatoren},
  series = {HF-Report. 20 (2006), H. 5-6},
  journal   = {HF-Report. 20 (2006), H. 5-6},
  isbn      = {1431-827X},
  pages     = {43 -- 48},
  year      = {2006},
  language  = {en}
}
@article{HeuermannPetersSchmitzetal.2005,
  author    = {Heuermann, Holger and Peters, N. and Schmitz, T. and Sadeghfam, Arash},
  title     = {Concept of Balanced Antennas with Load-Invariant Base Impedance Using a Two Element LC-Coupler. Peters, N., Schmitz, Th., Sadeghfam, A., Heuermann, H.},
  series = {Proceedings of the European microwave association : journal of the European microwave association},
  journal   = {Proceedings of the European microwave association : journal of the European microwave association},
  publisher = {PLUS},
  address   = {Pisa},
  pages     = {117 -- 122},
  year      = {2005},
  language  = {en}
}
@article{Hoffmann2008,
  author    = {Hoffmann, Ulrich},
  title     = {Neue Wege in die Hochschule - Beispiel des berufsbegleitenden Studienganges Prozesstechnik der FH Aachen und der Rhein-Erft Akademie},
  series = {HIS: Forum Hochschule. 2008 (2008), H. F14},
  journal   = {HIS: Forum Hochschule. 2008 (2008), H. F14},
  isbn      = {1863-5563},
  pages     = {130 -- 138},
  year      = {2008},
  language  = {de}
}
@article{ZastrowRieder1980,
  author    = {Zastrow, Udo and Rieder, G.},
  title     = {Bracketing eigenvalues of an oscillating elastic body by integral equations},
  series = {Bracketing of eigenfrequencies of continous structures : Euromech Colloquium, no. 112, M{\´a}traf{\"u}red (Hungary), 21 - 23 February, 1979 / ed. by {\`A}. Bosznay},
  journal   = {Bracketing of eigenfrequencies of continous structures : Euromech Colloquium, no. 112, M{\´a}traf{\"u}red (Hungary), 21 - 23 February, 1979 / ed. by {\`A}. Bosznay},
  publisher = {Akad. Kiad{\´o}},
  address   = {Budapest},
  isbn      = {963-05-2625-5},
  pages     = {421 -- 434},
  year      = {1980},
  language  = {en}
}
@article{SchollKreutzConradietal.1997,
  author    = {Scholl, Ingrid and Kreutz, Reinhard and Conradi, Helmut and Spitzer, Klaus},
  title     = {Orientierungs- und Benutzerunterst{\"u}tzung in Web-Dokumenten. Kreutz, Reinhard; Conradi, Helmut; Scholl, Ingrid; Spitzer, Klaus},
  series = {Informatik '97 : Informatik als Innovationsmotor ; 27. Jahrestagung der Gesellschaft f{\"u}r Informatik Aachen, 24. - 26. September 1997 / Hrsg.: Matthias Jarke ...},
  journal   = {Informatik '97 : Informatik als Innovationsmotor ; 27. Jahrestagung der Gesellschaft f{\"u}r Informatik Aachen, 24. - 26. September 1997 / Hrsg.: Matthias Jarke ...},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {3-540-63066-X},
  pages     = {516 -- 517},
  year      = {1997},
  language  = {de}
}
@article{SchollKreutzScholzetal.1997,
  author    = {Scholl, Ingrid and Kreutz, Reinhard and Scholz, C. and Conradi, H.},
  title     = {Ein Modell zum Aufbau multimedialer medizinischer Lern- und Nachschlagedokumente. Kreutz, R.; Scholz, C.; Conradi, H.; Scholl, I.; Spitzer, K.},
  series = {Medizinische Informatik, Biometrie und Epidemiologie : GMDS '97 ; Ulm, September 1997 / R. Muche ... (Hrsg.)},
  journal   = {Medizinische Informatik, Biometrie und Epidemiologie : GMDS '97 ; Ulm, September 1997 / R. Muche ... (Hrsg.)},
  publisher = {MVV, Medizin-Verl.},
  address   = {M{\"u}nchen},
  isbn      = {3-8208-1315-2},
  pages     = {121 -- 125},
  year      = {1997},
  language  = {de}
}
@book{SchollLehmannSpitzer1996,
  author    = {Scholl, Ingrid and Lehmann, Thomas [Hrsg.] and Spitzer, Klaus [Hrsg.]},
  title     = {Bildverarbeitung f{\"u}r die Medizin : Algorithmen - Systeme - Anwendungen ; proceedings des Aachener Workshops am 8. und 9. November 1996 / Institut f{\"u}r Medizinische Informatik und Biometrie der RWTH Aachen. Hrsg. von Thomas Lehmann ; Ingrid Scholl ; Klaus Spitzer},
  publisher = {Verlag der Augustinus-Buchhandlung},
  address   = {Aachen},
  isbn      = {3-86073-519-5},
  pages     = {XIII, 427 S. : Ill., graph. Darst.},
  year      = {1996},
  language  = {de}
}
@article{SchollPalmLehmannetal.1996,
  author    = {Scholl, Ingrid and Palm, Christoph and Lehmann, Thomas Martin and Spitzer, Klaus},
  title     = {Trennung von diffuser und spiegelnder Reflexion in Farbbildern des Larynx zur Untersuchung von Farb- und Formmerkmalen der Stimmlippen. Palm, Christoph; Scholl, Ingrid; Lehmann, Thomas Martin; Spitzer, Klaus},
  series = {Bildverarbeitung f{\"u}r die Medizin},
  journal   = {Bildverarbeitung f{\"u}r die Medizin},
  publisher = {Verlag der Augustinus-Buchhandlung},
  address   = {Aachen},
  isbn      = {3-86073-519-5},
  pages     = {229 -- 234},
  year      = {1996},
  language  = {de}
}
@article{SchollSovakarNeuschaeferRubeetal.1996,
  author    = {Scholl, Ingrid and Sovakar, Abhijit and Neuschaefer-Rube, C. and Lehmann, Thomas Martin},
  title     = {Verfolgung und Analyse von Stimmlippenkonturen in stroboskopischen Videosequenzen. Sovakar, Abhijit; Scholl, Ingrid; Neuschaefer-Rube, C.; Lehmann, Thomas Martin; Spitzer, Klaus},
  series = {Bildverarbeitung f{\"u}r die Medizin},
  journal   = {Bildverarbeitung f{\"u}r die Medizin},
  publisher = {Verlag der Augustinus-Buchhandlung},
  address   = {Aachen},
  isbn      = {3-86073-519-5},
  pages     = {235 -- 240},
  year      = {1996},
  language  = {de}
}
@article{SchollSovakarSpitzer1997,
  author    = {Scholl, Ingrid and Sovakar, Abhijit and Spitzer, Klaus},
  title     = {Konturverfolgung der Stimmlippen in laryngoskopischen Bildsequenzen},
  series = {Medizinische Informatik, Biometrie und Epidemiologie, GMDS '96, 41. Jahrestagung der GMDS, Bonn, September 1996},
  journal   = {Medizinische Informatik, Biometrie und Epidemiologie, GMDS '96, 41. Jahrestagung der GMDS, Bonn, September 1996},
  publisher = {MVV, Medizin-Verl.},
  address   = {M{\"u}nchen},
  isbn      = {3820812954},
  pages     = {123 -- 129},
  year      = {1997},
  language  = {de}
}
@article{SchollConradiWirtzetal.1997,
  author    = {Scholl, Ingrid and Conradi, Helmut and Wirtz, D. and Spreckelsen, Cord},
  title     = {OrthoDocs - Ein modellbasiertes Werkzeug zur Erstellung orthop{\"a}discher Lerndokumente. Conradi, Helmar; Wirtz, D.; Spreckelsen, Cord; Scholl, Ingrid; Kreutz, Reinhard; Forst, R.; Spitzer, Klaus},
  series = {Medizinische Informatik, Biometrie und Epidemiologie, GMDS '96, 41. Jahrestagung der GMDS, Bonn, September 1996},
  journal   = {Medizinische Informatik, Biometrie und Epidemiologie, GMDS '96, 41. Jahrestagung der GMDS, Bonn, September 1996},
  publisher = {MVV, Medizin-Verl.},
  address   = {M{\"u}nchen},
  isbn      = {3820812954},
  pages     = {169 -- 173},
  year      = {1997},
  language  = {de}
}