@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}
}