TY  - BOOK
AU  - Khurana, AK
TI  - Theory and practice of optics and refraction
SN  - 9788131211328
U1  - 617.755 KHU 
PY  - 2008///
CY  - Gurgaon, Haryana
PB  - Elsevier India
KW  - Medicine--Optics
N1  - Reprinted in 2009 (twice). Includes index
ER  -