00538cam a2200121 a 4500020002400000082001500024100002400039245003200063260002900095300003400124500002000158650023800178  a9788131718827 (pbk)00a511.6bBRU1 aBrualdi, Richard A.10aIntroductory combinatorics   aNew DehlibPearsonc2004  aix, 630 p. b: ill.c; 24 cm.  aIncludes index. 0aCombinatorial analysisaMathematicsvGenerating permutationsvPigeonhole principlesvCombinatorial designvBinominal coefficientvRecurrence relationsvCounting sequences vBipartite graphvGraph theoryvPermutation vNetworksvRICAS