Hillman, Abraham P . Discrete and combinatorial mathematics / Abraham P. Hillman. - California : Dellen Publishing , 1987. - xiii,686p. : ill.,figs.,tables ; 23cm Include CD . Includes bibliography and index ISBN: 0023545801 USD. 42.95 Subjects--Index Terms: COMBINATORIAL ANALYSIS Dewey Class. No.: 511.6 / HIL/D