000			00319nam a2200145Ia 4500
008			210901s1999 xx 000 0 eng d
020			_a8121918499
082			_a535 ARO
100			_aArora, C.L.
245		0	_aOptics
260			_aNew Delhi _bS.Chand _c1999
300			_a271
650			_aPhysics
942			_2ddc _cBK
999			_c22555 _d22555