000 00267nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aAggrawal R S
245 0 _aArithmetic
260 _bS Chand & Co
_c1991
300 _a380p
650 _aArithmetic
942 _cREF
999 _c36124
_d36124