@book{SchmitzGoettscheHoffschmidt2009,
  author    = {Schmitz, Stefan and G{\"o}ttsche, Joachim and Hoffschmidt, Bernhard},
  title     = {Entwicklung von Mikrospiegelsystemen f{\"u}r solarthermische Kraftwerke (Mikrohelix) [Elektronische Ressource] : Abschlussbericht ; Berichtszeitraum: 01.07.2006 - 30.06.2009},
  publisher = {FH Aachen, Campus J{\"u}lich, Solar-Inst. [u.a.]},
  address   = {J{\"u}lich},
  pages     = {Online-Ressource (81 S., 2,83 MB) : Ill., graph. D},
  year      = {2009},
  language  = {de}
}
@article{GoettscheHoffschmidtSchmitzetal.2009,
  author    = {G{\"o}ttsche, Joachim and Hoffschmidt, Bernhard and Schmitz, Stefan and Sauerborn, Markus},
  title     = {Solar Concentrating Systems Using Small Mirror Arrays / G{\"o}ttsche, Joachim ; Hoffschmidt, Bernhard ; Schmitz, Stefan ; Sauerborn, Markus ; Buck, Reiner ; Teufel, Edgar ; Badst{\"u}bner, Karin ; Ifland, David ; Rebholz, Christian},
  series = {Proceedings of the 2nd International Conference on Energy Sustainability - 2008 : : presented ... August 10 - 14, 2008, Jacksonville, Florida, USA / sponsored by Advanced Energy Systems Division, ASME; Solar Energy Division, ASME},
  journal   = {Proceedings of the 2nd International Conference on Energy Sustainability - 2008 : : presented ... August 10 - 14, 2008, Jacksonville, Florida, USA / sponsored by Advanced Energy Systems Division, ASME; Solar Energy Division, ASME},
  publisher = {ASME},
  address   = {New York, NY},
  isbn      = {9780791843208},
  pages     = {1 -- 5},
  year      = {2009},
  language  = {en}
}
@article{WarerkarSchmitzGoettscheetal.2007,
  author    = {Warerkar, Shashikant and Schmitz, Stefan and G{\"o}ttsche, Joachim and Hoffschmidt, Bernhard},
  title     = {Wirtschaftlich und flexibel : Luft-Sand-W{\"a}rme{\"u}bertrager f{\"u}r die Energiespeicherung bei Temperaturen bis 800 °C},
  series = {Verfahrenstechnik. 41 (2007), H. 4},
  journal   = {Verfahrenstechnik. 41 (2007), H. 4},
  isbn      = {0175-5315},
  pages     = {72 -- 73},
  year      = {2007},
  language  = {de}
}