TY  - BOOK
AU  - Khurana, A. K.
TI  - Theory and Practice of Optics and refraction
SN  - 9788131231050
AV  - RE925.K58 2014 
PY  - 2014///
CY  - India
PB  - Elsevier
KW  - Ophthalmology
N1  - Includes Index
ER  -