TY  - BOOK
ED  -  United Nations. Department of Economic and Social Affairs.
TI  -  Human fertility and national development : : a challenge to science and technology
PY  - 1971///
CY  -  New York : 
PB  -  United Nations, 
KW  -  Population
KW  -  Fertility, Human
KW  -  Birth control
N1  -  Includes bibliographical references
ER  -