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Demography
6
Recent trends in childspacing among American women:
, In:Copies:
Zentrale:Magazin Zs fc 9760
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7
Trends and variations in fertility in the United States
Vital and health statistics monographs ; [3]
Copies:
Zentrale:Magazin 01.X.9800
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8
Trends and Variations in Fertility in the United States
Vital and Health Statistics Monographs, American Public Health Association
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Demography
10
Methodology for the measurement of current fertility from p..:
, In:Copies:
Zentrale:Magazin Zs fc 9760