000			00299nam a2200133Ia 4500
008			130629s9999 xx 000 0 und d
082			_a535 GHA-O
100			_aGhatak,Ajoy
245			_aOptics
260			_bTata Mc-Graw Hill _c1988 _aNew Delhi
300			_a538
650			_aPhysics
942			_cBK
999			_c20487 _d20487