Ross, Sheldon M. Introduction to probability models / Sheldon M. Ross. - 4th ed. - Boston : Academic Press, c1989. - xiv, 544 p. ; 24 cm. Includes bibliographical references and index. ISBN: 0125984642 LCCN: 89006539 Subjects--Topical Terms: Probabilities. LC Class. No.: QA273 / .R84 1989 Dewey Class. No.: 519.2