TY  - BOOK
AU  - Berelson,Bernard
TI  - Population: challenging world crisis 
T2  - Forum lectures
U1  - 301.32 21
PY  - 1969///
CY  - New York
PB  - Voice of America
KW  - PLANIFICACION FAMILIAR
KW  - PREDICCIONES DE POBLACION
N1  - Incluye referencias bibliográficas; Pte. 1. Introduction -- Pte. 2. National Programs -- Pte. 3. Special fields -- Pte. 4.International advisory services -- Pte. 5. Summary
UR  - https://en.wikipedia.org/wiki/Bernard_Berelson
ER  -