000			00343pam a2200133a 44500
008			160422s9999 xx 000 0 und d
082			_a011.62 GUP
100			_aDas Gupta, Asit
245			_aMath steps 1
260			_aDelhi _b Bharati Bhawan _c1991
300			_axi,255p.
650			_aChildren Collection
700			_aPrasad, Suryabhushan
999			_c84959 _d84959