000 00281nam a2200121Ia 4500
008 230411s9999 xx 000 0 und d
082 _a535
_bSUB
100 _aSubhramanyam N
245 2 _aA Text Book of Optics
260 _bS.Chand
_aNEW DELHI
700 _a Lal Brij
942 _cBB
999 _c7759
_d7759