000 00292nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a512 S131
100 _aSAHNI,S
245 0 _aCONCEPTS IN DESCRETE MATHEMATICS
260 _aNEW DELHI
_bNarosa
_c1987
300 _a24X16
942 _cBK
_2DDC
999 _c21182
_d21182