00374nam a2200145Ia 4500008004100000020001500041041001200056082001100068100001400079245005100093250000800144260004900152300000800201650001900209221030s9999    xx            000 0 und d  a8122426694  aEnglish  a105.23  aG. S. Rao 0aDiscrete Mathematical Structurescby G. S. Rao  a2nd  bNew  Age International Pub.aNew Delhic2009  a440  aBE Mathematics