TY  - BOOK
AU  - Sen, Ranjit Kumar.
TI  - X-Rashmi O Kelaser Gathan
U1  - 537.535 
PY  - 1987///
CY  - Kolkata
PB  - Pachim Banga Rajya Pustak Parsad
KW  - Physics
KW  - X-Ray
ER  -