TY  - BOOK
AU  - SUBRAHMANYAM, N
AU  - LAL, BRIJ
TI  - A Textbook of Optics
PY  - 1966///
CY  - DELHI
PB  - S CHAND & COMPANY LTD
KW  -  PHYSIOLOGICAL OPTICS
KW  - A TEXTBOOK OF OPTICS
ER  -