@book{SchuermannHonnef1979,
  author    = {Sch{\"u}rmann, Wilhelm and Honnef, Klaus},
  title     = {Wilhelm Sch{\"u}rmann - Fotografien / Text: Klaus Honnef},
  publisher = {Rheinland-Verl.},
  address   = {K{\"o}ln},
  isbn      = {3-7927-0485-4},
  pages     = {XXIII, 81 S. : {\"u}berw. Ill.},
  year      = {1979},
  language  = {de}
}
@book{Schuermann1979,
  author    = {Sch{\"u}rmann, Wilhelm},
  title     = {In Deutschland : Aspekte gegenw{\"a}rtiger Dokumentarfotografie ; Johannes B{\"o}nsel ... / Katalog: Klaus Honnef ; Wilhelm Sch{\"u}rmann},
  publisher = {Rheinland-Verl. [u.a.]},
  address   = {K{\"o}ln},
  isbn      = {3-7927-0486-2},
  pages     = {224 S. : zahlr. Ill.},
  year      = {1979},
  language  = {de}
}