Liu, C. L. 1934- Elements of discrete mathematics / C.L. Liu. - 2nd ed. - New York : McGraw-Hill, c1985. - xiv, 433 p. : ill. ; 25 cm. - McGraw-Hill computer science series McGraw-Hill series in computer organization and architecture . Includes bibliographies and index. ISBN: 007038133X : $32.95 LCCN: 84026183 Subjects--Topical Terms: Combinatorial analysis.Algebra, Abstract. LC Class. No.: QA164 / .L57 1985 Dewey Class. No.: 511 / C E