Feller, William.- An introduction to probability theory and its applications / William, Feller - 3rd ed - New York : John Wiley & sons. c1968 - xviii,509p.; ill. 23cm - vol. 1 . includes bibliographical references and indexes ISBN: 9971513153 Subjects--Topical Terms: --Probabilities Dewey Class. No.: 519.2 FEL