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Progressive fertility analysis
Ryder, Norman B. - In: Technical bulletins / World Fertility Survey, … 8 (1982)
Persistent link: https://www.econbiz.de/10004810897
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The cohort approach : essays in the measurement of temporal variations in demographic behavior
Ryder, Norman B. - 1980 - Repr
Persistent link: https://www.econbiz.de/10004681140
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Reproduction in the United States 1965
Ryder, Norman B.; Westoff, Charles F. - 1971
Persistent link: https://www.econbiz.de/10004666297
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The contraceptive revolution
Westoff, Charles F.; Ryder, Norman B. - 1977
Persistent link: https://www.econbiz.de/10004757232
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Computer models for business decisions
Willis, Robert J. - 1987
Persistent link: https://www.econbiz.de/10009605276