[Fertility between 1970 and 1978 by regions].
D003604:Czechoslovakia; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D005298:Fertility; D006079:Government Publications as Topic; D011153:Population; D011157:Population Dynamics
Czechoslovakia; Demographic Factors; Developed Countries; Differential Fertility; Eastern Europe; Europe; Fertility--changes; Government Publication; Population; Population Dynamics
Plodnost zen v letech 1970-1978 podle kraju.