00338    a2200121   4500020001500000082001500015100002300030245004900053260004600102300002100148650002500169700002200194  a0070473765  a511.2bLIP  aLipschutz, Seymour  a2000 solved problems in discrete mathematics  aNew DelhibTara McGraw - Hillc2002g2002  aiv, 404p.c29cm.  aMathematical systems  aLipson, Marc Lars