title: [Population change by regions and districts in 1977, preliminary results: (a) absolute data;...(b) relative data;...(c) data for districts].
mesh_terms: D003604:Czechoslovakia; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D006079:Government Publications as Topic
keywords: Czechoslovakia; Developed Countries; Eastern Europe; Europe; Government Publication