TY  - BOOK
A1  - Cleland, J.
A1  - Verrall, J.
A1  - Vaessen, M.
T1  - Preferences for the sex of children and their influence on reproductive behavior
Y1  - 1983
CY  - Voorburg, NL
PB  - ISI
T3  - World Fertility Surveys Comparative Studies No. 27

ER  -