TY  - BOOK
AU  - Khurana, A K
TI  - Theory and practice of optics and refraction. 5th ed
SN  - 9788131263716
PY  - 2023///
CY  - Haryana
PB  - Elsevier
KW  - Ophthalmic
KW  - Optics
KW  - Refraction
N1  - UG
ER  -