1
2
Published: 2003
Superior document: Enthalten in Handbook of the life course New York, NY [u.a.], 2003 S. 681 - 691
3
Published: 1987
Superior document: Papers of the East-West Population Institute 107
4
Published: 1978
5
6
Published: [2012]
Superior document: Title is part of eBook package: De Gruyter DGBA Social Sciences 1990 - 1999
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