Technical and biological recultivation and development of exhausted open cast mines in the GermanDemocraticRepublic in GermanDemocraticRepublic: Regional structure and development.
Die Entwicklung des Netzes der Naturschutzgebiete in der DDR. (Developing a network of nature reserves in the GermanDemocraticRepublic)
Of the present 761 nature reserves in the GermanDemocraticRepublic 148 existed up to 1945. By 1961 were added, by 1971 158 and by 1983 another 154. These figures, together with the necessary cancellations of nature conservation areas illustrate
The regional differentiation of the GermanDemocraticRepublic. Structure. Dynamics. Development in GermanDemocraticRepublic: Regional structure and development.
Natural conditions and problems of their complex utilization in the GermanDemocraticRepublic in GermanDemocraticRepublic: Regional structure and development.
Kosmotektonisches Schema des Territoriums der Deutschen Demokratischen Republik. (Cosmotectonical scheme of the territory of the GermanDemocraticRepublic)
The settlement system of the GermanDemocraticRepublic: its structure and development in Urbanization and settlement systems. International perspectives.
Zur Entwicklung der Schulkartographie in der Deutschen Demokratischen Republik. (The development of School cartography in the GermanDemocraticRepublic)
Die Neogen/Quartär-Grenze. Territorium der Deutschen Demokratischen Republik. (The boundary between Neogene and Quaternary on the Territory of the GermanDemocraticRepublic)