00335nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001400084245005100098260002500149300000800174650001900182221030s9999 xx 000 0 und d a007043476X aEnglish a105.23bLiu aC. L. Liu 0aElements of Discrete Mathematicscby C. L. Liu bTMHaNew Delhic2000 a433 aBE Mathematics