00449nam a2200193Ia 4500 20240921120642.0 240921s9999||||xx |||||||||||||| ||und|| ENGLISH 535 M7 Vijaya Wargiya U S A Text Book of Optics 18th 1987 S Chand,New Delhi Sign Convension Optics Physics Brij Lal BK 0 0 0 0 NICHELIB NICHELIB NICAS 2003-05-09 Madras Book House 38.00 0 535 M7 188 2024-09-21 12:06:42 2024-09-21 BK 247233 247233