Software engineering / Ian Sommerville. Sommerville, Ian, 1951- Software engineering. QA76.758 .S657 1992 005.1 20 SOS Includes bibliographical references (p. 621-637) and indexes. Wokingham, England ; Reading, Mass. : Addison-Wesley Pub. Co., c1992. c1992. 1992 Text xvi, 649 p. : eng International computer science series