TY  - BOOK
AU  - Das , Ramkrishna .
TI  - Bol Bigyan
U1  - 531 
PY  - 1974///
CY  - Guwahati
PB  - Pathya Puthi Samanya Samity
KW  - T/G-Physics
KW  - T/G-Mechanics
ER  -