Footnotes
- Bumpass , L. and Westoff , C. 1970 . The perfect contraceptive population . Science , 169 : 1177 – 1182 .
- All data necessary for calculating the rates are from Rao M. N. Mathen K. K. Rural Field Study of Population Control: Singur Calcutta All-India Institute of Hygiene and Public Health 1970
- The distribution of whether more children are wanted by number of living children is from Palmore, James A. Jr. Malaysia: The West Malaysian Family Survey, 1966–1967 Studies in Family Planning April, 1969 40 11 20
- The distribution of whether more children are wanted by number of living children is from Table 3 of Mauldin W. Parker Fertility Studies: Knowledge, Attitude and Practice Studies in Family Planning 1965 7 June 1 10
- Berelson , B. 1964 . National family planniJlg programs: a guide . Studies in Family Planning , 5 : 1 – 12 . 1964
- See titles cited in previous footnote and also Davis K. Population policy: Will current programs succeed ? Science 1967 158 730 739