000 00277nam a2200121Ia 4500
008 220201s2000 xx 000 0 eng d
082 _a535
_bKHA
100 _aKhanna, D R
245 0 _aFundamentals of optics
260 _aDelhi
_bS.Chand
_c2000
300 _a675
942 _2ddc
999 _c36722
_d36722