@article { Bömermann1992,
 title = {Thematische Kartographie mit TheMap},
 author = {Bömermann, Hartmut and Krebs, Peter},
 journal = {Historical Social Research},
 number = {3},
 pages = {149-153},
 volume = {17},
 year = {1992},
 url = {http://nbn-resolving.de/urn:nbn:de:0168-ssoar-51319},
}