TY  - BOOK
AU  - Petrovich G।V। -C।Edi।
AU  - Petrovich G।V। -C।Edi।
TI  - The Soviet Encyclopedia।।-A-Z
U1  - 030।947/Pet 
PB  - mir Pub। Moscow।
KW  - Petrovich G।V। -C।Edi।
KW  - The Soviet Encyclopedia।।-A-Z
ER  -