000 00269nam a2200109Ia 4500
008 190703s9999 xx 000 0 und d
082 _a535 S941
100 _aSUBRAHMANYAM,N
245 0 _aTEXT BOOK OF OPTICS
260 _aNEW DELHI
_bS. Chand Publishing
942 _cBB
_2DDC
999 _c5051
_d5051