000 00281nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a511.1
100 _aG. SHANKARA RAO
245 0 _aDICRETE MATHEMATICAL STRUCTURES
260 _bNEW AGE
365 _b200.00
942 _cBTECH
999 _c132662
_d132662