[Population change in Czechoslovak cities in 1977].
D003604:Czechoslovakia; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D005843:Geography; D006079:Government Publications as Topic; D011153:Population; D014505:Urban Population
Czechoslovakia; Developed Countries; Eastern Europe; Europe; Geographic Factors; Government Publication; Population; Spatial Distribution; Urban Spatial Distribution