00786nam0-22003011i-450-990000836260403321200010100-7204-8610-6000083626FED01000083626(Aleph)000083626FED0100008362620001010d--------km-y0itay50------baitay-------001yyIntroductory CombinatoricsR.B. BrualdiNew YorkNorth-Holland1977X, 374 p.23 cm511.6Brualdi,Richard A.40965ITUNINARICAUNIMARCBK99000083626040332102 21 A 162617FINBNFINBNIntroductory Combinatorics347815UNINAING01