@book{ScheurigMittmannHavelka1999,
  author    = {Michael R. Scheurig and Hans-Walter Mittmann and Peter Havelka},
  title     = {Brutvogel-Monitoring Baden-W{\"u}rttemberg 1992-1999},
  doi       = {10.57962/regionalia-22657},
  year      = {1999},
}