@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 },
issn = {0172-6404 },
url = {http://nbn-resolving.de/urn:nbn:de:0168-ssoar-51319 },
}