TY  - GEN
AU  - B. GHOSH
AU  - K.G. MAZUMDAR
TI  - A TEXT BOOK ON LIGHT
U1  - 535/GHO/TEX 
PY  - 2017///
CY  - KOLKATA
PB  - SREEDHAR PUBLISHERS
KW  - 500 Science
KW  - 530 Physics
KW  - 535 Light & infrared & ultraviolet phenomena
ER  -