00362nam a2200133 a 450000500170000002000150001708200220003210000200005424500580007425000120013226000400014430000230018470000210020720251203091745.0  a812030537X  a004.0151,bD, Kol  aKolman, Bernard  aDiscrete mathematical structures for computer science  a2nd ed.  aDelhibPrentice-Hall of Indiac1994  axiv, 464p.c25 cm.  aBusby, Robert C.