000			00280nam a2200133Ia 4500
008			190216s9999||||xx |||||||||||||| ||und||
100			_aGhatak. A.K
245		0	_aContemporary Optics
250			_a1st Ed.
260			_bNull
300			_a366
650			_aPhysics
942			_cBK
999			_c33300 _d33300