TY  - GEN
AU  - Subramanyam, N
AU  - Lal, Brij
AU  - Avadhanulu, M. N.
TI  - Textbook of optics
SN  - 9788121926119
U1  - 535 
PY  - 2012///
CY  - Noida, India
PB  - S. Chand Publishing
KW  - Optics
KW  - Lenses
KW  - Wave Optics
ER  -