TY  - BOOK
AU  - Sen, Ranjit Kumar
TI  - এক্স-রশ্মি ও কেলাসের গঠন
U1  - 539.7222 
PY  - 1987///
CY  - kolkata
PB  - West Bengal State Book Board
KW  - X-RASHMI PHYSICS
KW  -  KELASER  GATHAN PHYSICS
N1  - Includes index and bibliography
ER  -