References
Footnotes
- Westoff , C. F. , Potter , R. G. and Sagi , P. C. 1961 . Some Estimates of the Reliability of Survey Data on Family Planning . Population Studies , 15 : 52 – 52 .
- Westoff , C. F. , Sagi , P. C. and Kelly , L. 1957 . Preference in Size of Family and Eventual Fertility Twenty Years After . American Journal of Sociology , 62 : 5 – 5 .
- Winston , S. 1932 . Birth Control and the Sex-Ratio at Birth . American Journal of Sociology , 38 : 225 – 225 .
- Robbins , H. 1952 . A Note on Gambling Systems and Birth Statistics . American Mathematical Monthly , 59 : 685 – 685 .
- Goodman , L. A. 1961 . Some Possible Effects of Birth Control on the Human Sex Ratio . Annals of Human Genetics , 25 : 75 – 75 .
- Hogben , L. 1952 . Selective Limitation of Sibship Size . British Journal of Social Medicine , 6 : 188 – 188 .
- Feller , W. 1957 . An Introduction to Probability Theory and its Applications , 2nd edition 252 – 3 . New York
- Feller , W. 1957 . An Introduction to Probability Theory and its Applications , 2nd edition 252 – 3 . New York
- Feller , W. 1957 . An Introduction to Probability Theory and its Applications , 2nd edition 252 – 3 . New York