TY  - BOOK
AU  - Mathur, B.K. .
TI  - Introduction to Geometrical and Physical Optics
U1  - 535 
PY  - 1962///
CY  - Kanpur
PB  - Gopal Printing Press
KW  - Geometrical Optics
KW  - Physical Optics
KW  - Optics
KW  - G-Physics
ER  -