000 00257nam a2200109Ia 4500
008 211214s9999 xx 000 0 und d
100 _aTyra, M.
245 _aMagical Book on Quicker Maths
260 _bB.S.C. (Delhi)
_c2011
300 _a807
942 _cBK
999 _c102077
_d102077