000 00296nam a2200121Ia 4500
008 180304s9999 xx 000 0 und d
020 _a9788121926119
100 _a"Subramanyam, M., Brij lal, Avadh, M. N."
245 2 _aA Text Book of Optics
260 _bS. Chand
365 _b545
942 _cBK
999 _c2323
_d2323