1. Erfahrungen bei der Gestaltung des Siedlungsnetzes in Bezirk Neubrandenburg.;Gertrud Albrecht;Geographische Berichte,1970
2. Main aspects of structural changes in the northern regions of the GDR.;Bruno Benthien;Geojournal,1984
3. Regional planning in the German Democratic Republic: Its evolution and goals.;William Berentsen;International Regional Science Review,1979
4. Spatial patterns of retail sales per capita in the German Democratic Republic and East Berlin.;William Berentsen;Die Erde,1980
5. Regional change in the German Democratic Republic.;William Berentsen;Annals of the Association of American Geographers,1981a