Footnotes
- James , W. H. 1963 . Estimates of fecundability . Population Studies , 17 ( 1 July )
- James , W. H. 1963 . Estimates of fecundability . Population Studies , 17 ( 1 July )
- From et al. Sexual Behavior in the Human Female Philadelphia and London 1953
- Shapiro , S. , Jones , E. W. and Densen , P. M. 1962 . A life table of pregnancy terminations and correlates of fetal loss . Milbank Memorial Fund Quarterly , 40 : 7 – 45 .
- Brass , W. 1958 . The distribution of births in human populations . Population Studies , 12 ( 1 ) : 51 – 72 .
- Henry , L. 1953 . Fondements théoriques des mesures de la fécondité naturelle . Revue de l'Institut international de statistique , 3 : 135 – 151 .
- Gautier , E. and Henry , L. 1958 . La population de Crulai, paroisse normande 270 – 270 . Paris
- Henry , L. 1958 . Intervals between confinements in the absence of birth control . Eugenics Quarterly , 5 ( 4 ) : 200 – 211 .