@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{Helmig2013,
  author    = {Helmig, Ilka},
  title     = {Ph{\´e}notype : [anl{\"a}sslich der Ausstellung "Ilka Helmig, Ph{\´e}notype" im Ludwig Forum Aachen, 30. Juni - 01. September 2013]},
  editor    = {Franzen, Brigitte},
  publisher = {Ludwig-Forum},
  address   = {Aachen},
  isbn      = {978-3-929292-50-3},
  pages     = {112 S. : {\"u}berw. Ill.},
  year      = {2013},
  language  = {de}
}
@book{BoonzaaijerHelmigBergerhausenetal.2010,
  author    = {Boonzaaijer, Karel and Helmig, Ilka and Bergerhausen, Johannes and Beudaert, Matthieu},
  title     = {Vision - space for imagination},
  publisher = {Stichting Kunstboek},
  address   = {Oostkamp},
  isbn      = {978-90-5856-357-6},
  pages     = {[85] S. : zahlr. Ill.},
  year      = {2010},
  language  = {en}
}