TY  - BOOK
AU  - Sauvy,Alfred
TI  - Fertilithy and survival: population problems from Malthus to Mao Tse-tung
U1  - 312.2 
PY  - 1963///
CY  - New York
PB  - Collier
KW  - Población
N1  - Incluye: Indice
ER  -