TY  - BOOK
AU  - DEBIPRASAD ROYCHOWDHURY
TI  - PADARTHA BIJNANER PARIBHASHA
U1  - 530.014/ROY/PAD 
PY  - 1989///
CY  - kolkata
PB  - PASCHIMBANGA RAJYA PUSTAK PARSAD
KW  - PHYSICS
ER  -