TY  - BOOK
AU  - BULGARIA, INTERNATIONAL SOCIOLOGICITION ASSOCIATION
ED  - BULGARIA, INTERNATIONAL SOCIOLOGICITION ASSOCIATION
TI  - Transactions of the seventh world congress of socialogy
U1  - Yp.5922.N70, Lo.1 
PY  - 1970///
CY  - Bulgaria
PB  - International socialogy association        
ER  -