@article{Herzig1995,
  author    = {Herzig, Reinhard},
  title     = {Amtliche topographische Karten : in der Schule vielseitig nutzbar},
  year      = {1995},
  language  = {de}
}
@article{Herzig1995,
  author    = {Herzig, Reinhard},
  title     = {Amtliche topographische Karten : verwirrende Vielfalt?},
  year      = {1995},
  language  = {de}
}
@article{Herzig1995,
  author    = {Herzig, Reinhard},
  title     = {Geogramme aktuell : Kreisdiagramme},
  year      = {1995},
  language  = {de}
}
@article{Herzig1995,
  author    = {Herzig, Reinhard},
  title     = {{\"O}kologische Probleme Ost-Mitteleuropas},
  year      = {1995},
  language  = {de}
}