@article{WolfSimonSchlick1997,
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  series = {Rechnergest{\"u}tzte Kooperation in Verwaltungen und großen Unternehmen : Tagungsband zum Workshop der GI-Gachgruppe / Peter Mambrey ... ( Hrsg.)},
  journal   = {Rechnergest{\"u}tzte Kooperation in Verwaltungen und großen Unternehmen : Tagungsband zum Workshop der GI-Gachgruppe / Peter Mambrey ... ( Hrsg.)},
  publisher = {Univ., Fachbereich Mathematik u. Informatik},
  address   = {Essen},
  pages     = {220 -- 234},
  year      = {1997},
  language  = {de}
}
@inproceedings{KoenigWolf2016,
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  title     = {The pyramid assessment framework for 'competence developing games'},
  series = {Communications in Computer and Information Science},
  volume    = {618},
  booktitle = {Communications in Computer and Information Science},
  editor    = {Stephanidis, C.},
  publisher = {Springer},
  isbn      = {978-331940541-4},
  issn      = {1865-0929},
  doi       = {10.1007/978-3-319-40542-1_37},
  pages     = {232 -- 237},
  year      = {2016},
  language  = {en}
}
@article{RitzHoof2002,
  author    = {Ritz, Thomas and Hoof, Antonius J. M.},
  title     = {Personalisierung von Content basierten Services - Produktion von personalisierten Informationsdienstleistungen},
  series = {Content Management : digitale Inhalte als Bausteine einer vernetzten Welt ; 18. Juni 2002, Stuttgart / Innovationsforum. Veranst. Verein zur F{\"o}rderung Produktionstechnischer Forschung e.V., Stuttgart. [Fraunhofer-Institut Arbeitswirtschaft und Organisatio},
  journal   = {Content Management : digitale Inhalte als Bausteine einer vernetzten Welt ; 18. Juni 2002, Stuttgart / Innovationsforum. Veranst. Verein zur F{\"o}rderung Produktionstechnischer Forschung e.V., Stuttgart. [Fraunhofer-Institut Arbeitswirtschaft und Organisatio},
  publisher = {Fraunhofer-IRB-Verl.},
  address   = {Stuttgart},
  isbn      = {3-8167-6155-0},
  pages     = {91 -- 106},
  year      = {2002},
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@inproceedings{MarcoFerrein2017,
  author    = {Marco, Heather G. and Ferrein, Alexander},
  title     = {AGNES: The African-German Network of Excellence in Science},
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  booktitle = {Proceedings of the 2nd Developing World Robotics Forum, Workshop at IEEE AFRICON 2017},
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@inproceedings{FuchsRitz2014,
  author    = {Fuchs, Britta and Ritz, Thomas},
  title     = {Usability for Blended Shopping - Solving Major Flaws by Applying Usability Engineering and Proven Integration Technologies},
  series = {Proceedings of the 11th International Conference on e-Business, ICE-B 2014, Vienna, Austria},
  booktitle = {Proceedings of the 11th International Conference on e-Business, ICE-B 2014, Vienna, Austria},
  isbn      = {978-989-758-043-7},
  doi       = {10.5220/0005113502160223},
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  year      = {2014},
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@article{HeuermannSadeghfamBoehm2005,
  author    = {Heuermann, Holger and Sadeghfam, Arash and Boehm, H.},
  title     = {Ultra Compact Multi-Mode Filter with Novel Rat-Race Inductor. Sadeghfam, Arash; Heuermann, Holger; Boehm, H.},
  series = {Conference proceedings : 3 - 7 October 2005, CNIT la D{\´e}fense, Paris, France; [comprises the] 35th European Microwave Conference 2005 ; The European Conference on Wireless Technology 2005 ; European Radar Conference 2005 ; GAAS 2005, The European Gallium A. Vol. 2},
  journal   = {Conference proceedings : 3 - 7 October 2005, CNIT la D{\´e}fense, Paris, France; [comprises the] 35th European Microwave Conference 2005 ; The European Conference on Wireless Technology 2005 ; European Radar Conference 2005 ; GAAS 2005, The European Gallium A. Vol. 2},
  publisher = {Horizon House Publ},
  address   = {London},
  isbn      = {2-9600551-0-1},
  pages     = {4 pp.},
  year      = {2005},
  language  = {en}
}
@article{SchifferFerreinLakemeyer2010,
  author    = {Schiffer, Stefan and Ferrein, Alexander and Lakemeyer, Gerhard},
  title     = {Proceedings of the Fourth International Conference on Intelligent Robotics and Applications (ICIRA 2011)},
  series = {Proceedings of the Fourth International Conference on Intelligent Robotics and Applications (ICIRA 2011)},
  journal   = {Proceedings of the Fourth International Conference on Intelligent Robotics and Applications (ICIRA 2011)},
  pages     = {1 -- 10},
  year      = {2010},
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}
@inproceedings{HarzheimHeuermann2018,
  author    = {Harzheim, Thomas and Heuermann, Holger},
  title     = {Phase Repeatable Synthesizers as a New Harmonic Phase Standard for Nonlinear Network Analysis},
  series = {IEEE Transactions on Microwave Theory and Techniques},
  booktitle = {IEEE Transactions on Microwave Theory and Techniques},
  publisher = {IEEE},
  doi       = {10.1109/TMTT.2018.2817513},
  pages     = {1 -- 8},
  year      = {2018},
  language  = {en}
}
@article{HeuermannSchiek1993,
  author    = {Heuermann, Holger and Schiek, Burkhard},
  title     = {LNN( Line-Network-Network): The In-Fixture Calibration Procedure},
  pages     = {149 -- 149},
  year      = {1993},
  language  = {en}
}
@article{HeuermannSchiek1992,
  author    = {Heuermann, Holger and Schiek, Burkhard},
  title     = {A Generalization of the Txx Network Analyzer Self-Calibration Procedure},
  series = {Conference proceedings : monday 24th to thursday 27th august 1992, Helsinki University of Technology, Espoo, Finland ; [the international conference and exhibition designed for the Microwave Community]. Vol. 2},
  journal   = {Conference proceedings : monday 24th to thursday 27th august 1992, Helsinki University of Technology, Espoo, Finland ; [the international conference and exhibition designed for the Microwave Community]. Vol. 2},
  publisher = {Microwave Exhibitions and Publishers},
  address   = {Tunbridge Wells},
  isbn      = {0-946821-77-1},
  pages     = {907 -- 912},
  year      = {1992},
  language  = {en}
}