TY  - BOOK
AU  -  Sagrera,Martín.
TI  -  Population crisis / 
SN  -  8440478224
U1  -  P 304.6 SAG 
PY  - 1995///?]
CY  -  Madrid : 
PB  -  Editorial Fundamentos, 
KW  -  Birth control
KW  -  Population policy
KW  -  Overpopulation
KW  -  Sex
KW  -  Social aspects
N1  -  Previous English ed. (1990) had title: Sex, population, and politics
ER  -