Wilson, Robin J Graphs : an introductory approach :a first course in discrete mathematics / Robin J. Wilson, John J. Watkins. - New York : John Wiley & Sons, c1990. - x, 340 p. : ill. ; 23 cm. "Based on The Open University course Graphs, Networks and Design." Includes bibliographical references and index. ISBN: 0471513407 Subjects--Topical Terms: Graph theory. LC Class. No.: QA166 / .W55 1990