@article{Asmus1996,
  author    = {Asmus, Ivo},
  title     = {Die geometrische Landesvermessung von Schwedisch-Pommern 1692-1709},
  issn      = {0067-3099},
  year      = {1996},
  language  = {de}
}
@article{Asmus1996,
  author    = {Asmus, Ivo},
  title     = {Die pommerschen Besitzungen Carl Gustaf Wrangels},
  isbn      = {3-931483-08-8},
  year      = {1996},
  language  = {de}
}