Goodaire, Edgar G.. Discrete mathematics with graph theory / Edgar G. Goodaire, Michael M. Parmentor. - New Jersey : Prentice Hall International , 1998. - xix,527p.+81 : ill.,figs. ; 23cm . NULL ISBN: 0137904452 USD 21.25 Subjects--Index Terms: GRAPH THEORY Dewey Class. No.: 511.5 / GOO/D