000 00284nam a2200109Ia 4500
008 220201s1962 xx 000 0 eng d
100 _aSen & Chattary, PP
245 0 _aMathematics for students of tech school
260 _bCalcutta : World Press
_c1962
300 _a346
942 _2ddc
999 _c72612
_d72612