@article{Ferrein2004,
  author    = {Ferrein, Alexander},
  title     = {Autonome Entscheidungsfindung bei Robotern : Planwirtschaft},
  series = {Linux-Magazin},
  journal   = {Linux-Magazin},
  number    = {7},
  issn      = {1432-640X (Print)},
  pages     = {50 -- 53},
  year      = {2004},
  language  = {de}
}
@article{HartungKumwilaisak2004,
  author    = {Hartung, Frank and Kumwilaisak, W.},
  title     = {An intraframe error concealment: nonlinear pattern alignment and directional interpolation / Kumwilaisak, W. ; Hartung, F.},
  series = {Conference on Image Processing, 2004. ICIP '04. 2004 International / Vol. 2 .},
  journal   = {Conference on Image Processing, 2004. ICIP '04. 2004 International / Vol. 2 .},
  pages     = {825 -- 828},
  year      = {2004},
  language  = {en}
}
@article{HeuermannRumiantsevSchott2004,
  author    = {Heuermann, Holger and Rumiantsev, A. and Schott, S.},
  title     = {Advanced on-wafer multiport calibration methods for mono- and mixed-mode device characterization},
  series = {On wafer characterization : 63rd ARFTG conference digest, spring 2004, 11 June 2004, Fort Worth, TX / Automatic RF Techniques Group. [Conference chair: John Cable. Publication chair: J. G. Burns]},
  journal   = {On wafer characterization : 63rd ARFTG conference digest, spring 2004, 11 June 2004, Fort Worth, TX / Automatic RF Techniques Group. [Conference chair: John Cable. Publication chair: J. G. Burns]},
  publisher = {IEEE Operations Center},
  address   = {Piscataway, NJ},
  isbn      = {0-7803-8371-0},
  pages     = {91 -- 96},
  year      = {2004},
  language  = {en}
}
@article{RitzStender2004,
  author    = {Ritz, Thomas and Stender, Michael},
  title     = {Ad-hoc Anwendungsintegration mit mobilen CRM-Systement},
  series = {Electronic Business : Innovationen, Anwendungen und Technologien},
  journal   = {Electronic Business : Innovationen, Anwendungen und Technologien},
  editor    = {Weisbecker, Anette},
  publisher = {Fraunhofer-IRB-Verl.},
  address   = {Stuttgart},
  isbn      = {3-8167-6621-8},
  pages     = {92 -- 97},
  year      = {2004},
  language  = {de}
}
@article{Heuermann2004,
  author    = {Heuermann, Holger},
  title     = {A Synthesis Technique for Mono- and Mixed-Mode Symmetrical Filter},
  series = {Conference proceedings : Tuesday 12th, Wednesday 13th and Thursday 14th October, [RAI International Exhibition and Congress Centre, Amsterdam ; part of European Microwave Week 2004] / EuMA, European Microwave Association . Vol. 1},
  journal   = {Conference proceedings : Tuesday 12th, Wednesday 13th and Thursday 14th October, [RAI International Exhibition and Congress Centre, Amsterdam ; part of European Microwave Week 2004] / EuMA, European Microwave Association . Vol. 1},
  publisher = {Horizon House Publ},
  address   = {London},
  isbn      = {1-580-53992-0},
  pages     = {309 -- 312},
  year      = {2004},
  language  = {en}
}