000			00343nam a2200145Ia 4500
008			170101s1983 xx 000 0 und d
082			_a535.2 S60P
100			_aSOBTI, Gurdip Sobti
245		0	_aPhysical optics
260			_bNew Delhi _c1983
300			_a179p
650			_aOPTICS,PHYSICAL
653			_aOPTICS,PHYSICAL
942			_2ddc _cB
999			_c86680 _d86680