TY  - BOOK
AU  - KHURANA A K
TI  - THEORY AND PRACTIC OF OPTICS AND REFRACTION
SN  - NULL
U1  - 616.7/KHU 
PY  - 2006///
CY  - NULL
PB  - ELSEVIER
KW  - THEORY & PRACTIC OF OPTICS & REFRACTION
ER  -