00524nam a2200169 a 450000500170000002000150001708200150003210000210004724500470006826000630011530000240017869000180020296400300022099700180025099900170026895200690028520251203110154.0 a0883857103 a511.6bMAR aMarcus, Daniel A aCombinatoricsba problem oriented approach aWashington D.C.bMathematical association of Americac1998 ax,136p.c23 cm P.B. aCombinatorics bENGLISHcd511eBOOKfg_ a96639 LIBSC C c80353d80353 00104070aPUbPUd2000-04-25g1038.78l0o511.6 MARp96639yBK