TY  - BOOK
AU  - B.K. MATHUR,
TI  - PRINCIPALES OF OPTICS
U1  - 535/MAT/PRI 
PY  - 1962///
CY  - KOLKATA
PB  - NEW GOPAL PRINTING
KW  - LIGHT & INFRARED & ULTRAVIOLET PHENOMENA
KW  - PHYSICS
ER  -