TY  - BOOK
AU  - Khurana, A.K..
TI  - Theory and Practice of Optics and Refraction / 
U1  - 617.7 
PY  - 2005///
CY  - New Delhi : 
PB  - Elsevier,  Pub. , 
KW  - Ophthamology
KW  - Medical Science
ER  -