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Bevolkingsbeleid en reproduktief gedrag
Leeuw, Franciscus Leonardus, (1983)
Completed fertility and its timing : an economic analysis of
Ward, Michael Paul, (1978)
The emergence of countercyclical U.S. fertility
Butz, William P., (1977)
Patterns of employment before and after childbirth : United States
Bumpass, Larry L., (1980)
Social demography
Taeuber, Karl E., (1978)
Cohabitation and family formation in Japan
Raymo, James M., (2009)