[Demographic causes of the decline in the birth rate].
D003710:Demography; D019049:Developed Countries; D005060:Europe; D005298:Fertility; D005860:Germany, West; D006079:Government Publications as Topic; D011153:Population; D011157:Population Dynamics
Demographic Factors; Developed Countries; Europe; Fertility; Germany, Federal Republic Of; Government Publication; Population; Population Dynamics; Western Europe