TY  - BOOK
AU  - BULGARIA, INTERNATIONAL SOCIOLOGICAL ASSOCIATION
ED  - BULGARIA, INTERNATIONAL SOCIOLOGICAL ASSOCIATION
TI  - Transachions of the seventh world congress of socialogy
U1  - Yp.5922.N70, L3.5 
PY  - 1973///
CY  - Bulgarian
PB  - International Socialogical association        
ER  -