00434    a2200169   4500001000700000003000400007005001700011008004100028020001500069040001000084082001400094100002000108245007600128260002900204300001000233700002100243000043OSt20251204145113.0                                          a0132297515  cCURAJ  a510bK83D1 aKolman, Bernard1 aDiscrete mathematical structurescBy Bernard Kolman And Robert C. Busby  aNew DelhibPearsonc2009  a555p.  aBusby, Robert C.