Kotonya, Gerald. Requirements engineering : processes and techniques / Gerald K otonya and Ian Sommerville. - Chichester ; New York : J. Wiley, c1998. - xi, 282 p. : ill. ; 24 cm. - Worldwide series in computer science . Includes bibliographical references and index. ISBN: 0471972088 (hbk. : alk. paper) LCCN: 98-004756 Dewey Class. No.: 005.1