@book{OPUS4-1979,
  title     = {Schulen im Wettbewerb},
  editor    = {Thomas Breyer-Mayl{\"a}nder and Beate Ritter},
  publisher = {Schneider-Verl. Hohengehren},
  address   = {Baltmannsweiler},
  isbn      = {978-3-8340-1088-9},
  pages     = {224 Seiten},
  year      = {2012},
  language  = {de}
}