000			00278nam a2200121Ia 4500
008			151205s9999||||xx |||||||||||||| ||und||
020			_c0
100			_aMAZUMDER,K.F.
245		2	_aA TEXT BOOK ON LIGHT
260			_c1975 _bMODERN BOOK AGENCY
650			_aOPTICS
942			_cBK
999			_c279952 _d279952