@book{Schuermann1997,
  author    = {Sch{\"u}rmann, Wilhelm},
  title     = {S.e.w.m.f. : die Nerven enden an den Fingerspitzen / curated by Willhelm Sch{\"u}rmann},
  publisher = {Salon-Verl.},
  address   = {K{\"o}ln},
  isbn      = {3932189019},
  pages     = {ca. 144 S. : {\"u}berw. Ill.},
  year      = {1997},
  language  = {de}
}
@book{CasseSchlueter1997,
  author    = {Casse-Schl{\"u}ter, Doris},
  title     = {Fachhochschule Aachen Fachbereich Design / Projektbetreuung Doris Casse-Schl{\"u}ter. Design: Martina Berg ...},
  address   = {Aachen},
  year      = {1997},
  language  = {de}
}