TY  - BOOK
AU  - Bourgeois-Pichat Jean
TI  - Main trends in demography
T2  - Main trends in the social sciences.4
U1  - Y:5b4, L0 
PY  - 1970///
CY  - Paris
PB  - Unesco          
N1  - Forming chapter 5 of Unesco : Main trends of research in the social  and human sciences. Pt I
ER  -