@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{HagemannBackhausGoessner2002,
  author    = {Hagemann, Hans-J{\"u}rgen and Backhaus, U. and Goessner, S.},
  title     = {Collaborative eLearning Concepts for University Level Online Laboratory Courses in Engineering. U. Backhaus, S. Goessner, H. J. Hagemann},
  series = {Proceedings Online Educa Berlin: 8th International Conference on Technology Supported Learning \& Training. 2002},
  journal   = {Proceedings Online Educa Berlin: 8th International Conference on Technology Supported Learning \& Training. 2002},
  pages     = {62 -- 66},
  year      = {2002},
  language  = {en}
}
@article{HagemannBachmannLadeetal.1994,
  author    = {Hagemann, Hans-J{\"u}rgen and Bachmann, P.K. and Lade, H. and Leers, D.},
  title     = {CVD Diamond Growth: Gas Compositions and Film Properties / P.K. Bachmann, H.J. Hagemann, H. Lade, D. Leers, D.U. Wiechert and H. Wilson},
  series = {Advanced materials '94 : proceedings of the NIRIM International Symposium on Advanced Materials '94, Tsukuba, Japan, March 13 - 17, 1994 / National Institute for Research in Inorganic Materials. Ed. by M. Kamo ...},
  journal   = {Advanced materials '94 : proceedings of the NIRIM International Symposium on Advanced Materials '94, Tsukuba, Japan, March 13 - 17, 1994 / National Institute for Research in Inorganic Materials. Ed. by M. Kamo ...},
  publisher = {International Communications Specialists},
  address   = {Tokyo},
  pages     = {115 -- 120},
  year      = {1994},
  language  = {en}
}
@article{HagemannBachmannLadeetal.1994,
  author    = {Hagemann, Hans-J{\"u}rgen and Bachmann, P.K. and Lade, H. and Leers, D.},
  title     = {Diamond chemical vapor deposition: gas compositions and film properties / Bachmann, P.K.; Hagemann, H.-J.; Lade, H; Leers, D.; Picht, F.; Wiechert, D.U.; Wilson, H.},
  series = {Diamond, SiC and nitride wide bandgap semiconductors : symposium held April 4 - 8, 1994, San Francisco, California, U.S.A. / ed.: Calvin H. Carter, Jr. ...},
  journal   = {Diamond, SiC and nitride wide bandgap semiconductors : symposium held April 4 - 8, 1994, San Francisco, California, U.S.A. / ed.: Calvin H. Carter, Jr. ...},
  address   = {Pittsburgh, Penn.},
  isbn      = {1-55899-239-1},
  pages     = {267 -- 277},
  year      = {1994},
  language  = {en}
}
@article{HagemannCassidy1994,
  author    = {Hagemann, Hans-J{\"u}rgen and Cassidy, Wiliam D.},
  title     = {Diamond growth rates and quality: dependence on gas phase cpmposition / William D. Cassidy [...], Hans-Jurgen Hagemann},
  series = {Diamond, SiC and nitride wide bandgap semiconductors : symposium held April 4 - 8, 1994, San Francisco, California, U.S.A. / ed.: Calvin H. Carter, Jr. ....},
  journal   = {Diamond, SiC and nitride wide bandgap semiconductors : symposium held April 4 - 8, 1994, San Francisco, California, U.S.A. / ed.: Calvin H. Carter, Jr. ....},
  address   = {Pittsburgh, Penn. ,},
  isbn      = {1-55899-239-1},
  pages     = {285 -- 291},
  year      = {1994},
  language  = {en}
}
@article{Hagemann1978,
  author    = {Hagemann, Hans-J{\"u}rgen},
  title     = {Electrical properties of acceptor-doped BaTiO3 ceramic. Hagemann, H. J.},
  series = {Berichte der Deutschen Keramischen Gesellschaft. 55 (1978)},
  journal   = {Berichte der Deutschen Keramischen Gesellschaft. 55 (1978)},
  isbn      = {0365-9542},
  pages     = {353 -- 355},
  year      = {1978},
  language  = {en}
}
@article{HagemannOBryan1987,
  author    = {Hagemann, Hans-J{\"u}rgen and O´Bryan, H. M.},
  title     = {Grain boundary and surface segragation of Ba-Ti-O-Phases in rutile. O´Bryan, H. M.; Hagemann, H. J.},
  series = {Journal of the American Ceramic Society. 70 (1987)},
  journal   = {Journal of the American Ceramic Society. 70 (1987)},
  isbn      = {0002-7820},
  pages     = {274 -- 278},
  year      = {1987},
  language  = {en}
}
@article{HagemannGeittnerLydtinetal.1988,
  author    = {Hagemann, Hans-J{\"u}rgen and Geittner, P. and Lydtin, H. and Warnier, J.},
  title     = {Hybrid technology for large SM-fiber preforms. Geittner, P.; Hagemann, H. J.; Lydtin, H.; Warnier, J.},
  series = {Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 6 (1988), H. 10},
  journal   = {Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 6 (1988), H. 10},
  isbn      = {0733-8724},
  pages     = {1451 -- 1454},
  year      = {1988},
  language  = {en}
}
@article{HagemannBachmannLadeetal.1994,
  author    = {Hagemann, Hans-J{\"u}rgen and Bachmann, P. K. and Lade, H. and Leers, D.},
  title     = {Influence of the gas phase on diamond deposition and diamond properties. Bachmann, P. K.; Hagemann, H.J.; Lade, H.; Leers, D.; Picht, F.; Wiechert, D. U.},
  series = {Advanced materials '94 : proceedings of the NIRIM International Symposium on Advanced Materials '94, Tsukuba, Japan, March 13 - 17, 1994 / National Institute for Research in Inorganic Materials. Ed. by M. Kamo},
  journal   = {Advanced materials '94 : proceedings of the NIRIM International Symposium on Advanced Materials '94, Tsukuba, Japan, March 13 - 17, 1994 / National Institute for Research in Inorganic Materials. Ed. by M. Kamo},
  publisher = {International Communications Specialists, Inc.},
  address   = {Tokyo},
  pages     = {115 -- 120},
  year      = {1994},
  language  = {en}
}
@article{HagemannBreitschuhGraberetal.2004,
  author    = {Hagemann, Hans-J{\"u}rgen and Breitschuh, S. and Graber, S. and Schmitz, G{\"u}nter},
  title     = {Internet Laboratory Courses with Remote Access and Control of Real Measurements on Sensors and Electronic Components},
  series = {Mechatronics \& Robotics 2004 : Aachen, Germany, September 13 - 15, 2004 / [APS - European Centre for Mechatronics]. P. Drews (ed.)},
  journal   = {Mechatronics \& Robotics 2004 : Aachen, Germany, September 13 - 15, 2004 / [APS - European Centre for Mechatronics]. P. Drews (ed.)},
  publisher = {Eysoldt},
  address   = {Aachen},
  isbn      = {3-938153-30-X},
  pages     = {1280 -- 1284},
  year      = {2004},
  language  = {en}
}