@book{Schuermann1977,
  author    = {Sch{\"u}rmann, Wilhelm},
  title     = {Vier deutsche Photographen : Werner Mantz, Wilhelm Sch{\"u}rmann, Floris M. Neus{\"u}ss, Robert H{\"a}user},
  address   = {Hannover},
  pages     = {zahlr. Ill.},
  year      = {1977},
  language  = {de}
}
@book{Schuermann1992,
  author    = {Sch{\"u}rmann, Wilhelm},
  title     = {Dirty data : Sammlung Sch{\"u}rmann / Konzeption, Gestaltung und Organisation des Ausstellung sowie der Kataloges Wilhelm Sch{\"u}rmann},
  address   = {Aachen},
  pages     = {134 S. : {\"u}berw. Ill.},
  year      = {1992},
  language  = {de}
}
@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}
}