000 00307nam a2200109Ia 45e0
008 181001s1968 xx 000 0 und d
100 _aCom. Choudhari N.
245 0 _aFour Gigure mathematical tables
260 _bNeeraj Prak.
_c1968
300 _a32
942 _2ddc
_cBK
999 _c2441
_d2441