@article{HeuermannSchiek1997,
  author    = {Heuermann, Holger and Schiek, Burkhard},
  title     = {Line Network Network (LNN): an alternative in-fixture calibration procedure},
  series = {IEEE transactions on microwave theory and techniques : MTT ; a publication of the IEEE Microwave Theory and Techniques Society. 45 (1997), H. 3},
  journal   = {IEEE transactions on microwave theory and techniques : MTT ; a publication of the IEEE Microwave Theory and Techniques Society. 45 (1997), H. 3},
  isbn      = {0018-9480},
  pages     = {408 -- 413},
  year      = {1997},
  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{Laack1987,
  author    = {Laack, Walter van},
  title     = {Tennisarm - Ursachen und Behandlung},
  series = {Apotheker-Journal . 9 (1987), H. 2},
  journal   = {Apotheker-Journal . 9 (1987), H. 2},
  isbn      = {0720-1028},
  pages     = {42},
  year      = {1987},
  language  = {de}
}
@article{FoltzSchneiderWolfetal.2008,
  author    = {Foltz, Christian and Schneider, Nicole and Wolf, Martin R. and Kausch, Bernhard and Schlick, Christopher and Luczak, Holger},
  title     = {Usability engineering},
  series = {Collaborative and distributed chemical engineering : from understanding to substantial design process support; results of the IMPROVE Project. - (Lecture notes in computer science ; 4970)},
  journal   = {Collaborative and distributed chemical engineering : from understanding to substantial design process support; results of the IMPROVE Project. - (Lecture notes in computer science ; 4970)},
  editor    = {Nagl, Manfred},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-540-70552-9},
  doi       = {10.1007/978-3-540-70552-9_21},
  pages     = {527 -- 554},
  year      = {2008},
  language  = {en}
}
@article{FerreinBeckLakemeyer2007,
  author    = {Ferrein, Alexander and Beck, Daniel and Lakemeyer, Gerhard},
  title     = {A Simulation Environment for Middle-Size Robots with Multi-level Abstraction / Beck, Daniel ; Ferrein, Alexander ; Lakemeyer, Gerhard},
  series = {RoboCup 2007: Robot Soccer World Cup XI},
  journal   = {RoboCup 2007: Robot Soccer World Cup XI},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-540-68846-4},
  pages     = {136 -- 147},
  year      = {2007},
  language  = {en}
}
@article{LaackLeversStaat2013,
  author    = {Laack, Walter van and Levers, A. and Staat, Manfred},
  title     = {Gonarthrosetherapie auf Kernspinresonanzbasis mit MBST-Vierjahresbeobachtungen},
  series = {Orthop{\"a}dische Nachrichten : Zeitung f{\"u}r Orthop{\"a}die und Unfallchirurgie. 2013, H. 7/8},
  journal   = {Orthop{\"a}dische Nachrichten : Zeitung f{\"u}r Orthop{\"a}die und Unfallchirurgie. 2013, H. 7/8},
  publisher = {Biermann},
  address   = {K{\"o}ln},
  issn      = {1437-2193},
  pages     = {13},
  year      = {2013},
  language  = {de}
}
@article{Fabo1997,
  author    = {Fabo, Sabine},
  title     = {Bild/Text/Sound - Hybride des Digitalen?},
  series = {Hybridkultur : Medien, Netze, K{\"u}nste},
  journal   = {Hybridkultur : Medien, Netze, K{\"u}nste},
  editor    = {Schneider, Irmela},
  publisher = {Wienand},
  address   = {K{\"o}ln},
  isbn      = {3-87909-516-7},
  pages     = {177 -- 192},
  year      = {1997},
  language  = {de}
}
@article{Fabo2002,
  author    = {Fabo, Sabine},
  title     = {Learning from Brachelen},
  series = {Freistil (Boxhorn ; 8)},
  journal   = {Freistil (Boxhorn ; 8)},
  publisher = {FH Aachen, Fachbereich Gestaltung},
  address   = {Aachen},
  pages     = {2,1 -- 2,31},
  year      = {2002},
  language  = {en}
}
@article{HeuermannSadeghfam2007,
  author    = {Heuermann, Holger and Sadeghfam, Arash},
  title     = {On the design of multimode integrated circuits in multilayered processes / Sadeghfam, A. ; Heuermann, H.},
  series = {European Microwave Conference, 2007, 9-12 Oct. 2007},
  journal   = {European Microwave Conference, 2007, 9-12 Oct. 2007},
  isbn      = {978-2-87487-001-9},
  pages     = {516 -- 519},
  year      = {2007},
  language  = {en}
}
@article{Digel2010,
  author    = {Digel, Ilya},
  title     = {In-situ biological decontamination of an ice melting probe},
  year      = {2010},
  language  = {en}
}