00441nam a22001817a 4500 OSt 20240409144806.0 181103b xxu||||| |||| 00| 0 eng d ‎ 8131249158 IIMT UNIVERSITY DR.AK KHURANA THEORY AND PRACTICE OF OPTICS AND REFRACTION 4 ED ELSEVIER PUB 526 BANSAL BOOK DIST ddc 02 4 ED 44575 44575 0 0 ddc 0 0 01 01 2018-11-02 BANSAL BOOK DIST 1100.00 6499 1 1 01-B-127748 2019-07-05 2019-01-17 OPTICS 2018-11-03 06