TY  - BOOK
AU  - Bertrand Russell
TI  - Apekkhabader A AA Ka Kha
U1  - 530.11 
PY  - 1988///
CY  - Kolkata
PB  - Baulman Prakashan
KW  - Satrujit Dasgupta
KW  - Physics - Relativity
ER  -