West, Douglas B. Introduction to graph theory / Douglas B. West. - 2nd ed. - Delhi: Pearson, c2005. - xix, 588p.: ill.;, figs.;, tables.;, maps.; 22 cm. Includes index. Dept. of CSE ISBN: 8178088304 Subjects--Topical Terms: Directed graphs Dewey Class. No.: 511.5 / WEI