TY  - CHAP
A1  - Ryder, N.B.
T1  - Components of temporal variations in American fertility
Y1  - 1980
A3  - Hiorns, R.W.
T2  - Demographic patterns in developed  societies. Symposia of the Society for the Study of Human Biology
CY  - London
PB  - Taylor and Francis Ltd.
SP  - 15
EP  - -54

ER  -