TY  - BOOK
AU  - Roy, Amlan
TI  - Aalor rahasya
SN  - 978-81-8266-139-4
U1  - 891.448 
PY  - 2017///
CY  - Kolkata
PB  - Jnan Bichitra
KW  - LIGHT
KW  - PHYSICS
N1  - Library fund
ER  -