TY  - BOOK
AU  - B K Mathur
AU  - MATHUR (B K)
AU  - PANDYA (T P)
TI  - Geometrical and Physical Optics
U1  - 534/148 23
PY  - 1970///
CY  - Kanpur
PB  - Gopal Printing Press
KW  - Geometrical Physical Optics
ER  -