@book{Helmig2010,
  author    = {Helmig, Ilka},
  title     = {Ilka Helmig, residential observation : Toonkamer in de Pastoe Fabriek Utrecht, Dutch Design Week Eindhoven},
  publisher = {D'jonge Hond},
  address   = {Zwolle},
  isbn      = {978-90-89102-48-5},
  pages     = {110 S. : {\"u}berw. Ill.},
  year      = {2010},
  language  = {de}
}
@book{OPUS4-5166,
  title     = {Kinetische Leuchtskulpturen : ein Projekt des Fachbereichs Gestaltung an der FH Aachen in Zusammenarbeit mit dem Rotary Club Aachen-Charlemagne},
  publisher = {FH Aachen},
  address   = {Aachen},
  pages     = {32 S. : zahlr. Ill.},
  year      = {2010},
  language  = {de}
}