TY  - BOOK
AU  - Sachs Lgnacy Ed.
TI  - Main trends in economics
T2  - Main trendsin the social sciesnces 3
U1  - X, L0 
PY  - 1970///
CY  - London
PB  - Allen & Unwin        
KW  - Economic Theory
N1  - forming chapter 4 of Unesco : Main trends of research in the social and human science Pt I
ER  -