000			00291nam a2200133Ia 4500
008			190216s9999||||xx |||||||||||||| ||und||
100			_aShanthi Narayan
245		0	_aNumber Systems
250			_a1st Ed.
260			_bNull _c1970
300			_a128 p
650			_aMathematics
942			_cBK
999			_c30490 _d30490