Gamma, Erich Design patterns : elements of reusable object-oriented software / Erich Gamma ... [et al.]. - New Delhi ; Reading, Mass. : Addison-Wesley, Pearson Education, c1995. - xv, 395 p. : ill. ; 24 cm. - Addision-Wesley professional computing series . Includes bibliographical references and index. ISBN: 8178081350 9788178081359 0201633612 (acid-free paper) Subjects--Topical Terms: Object-oriented programming (Computer science)Computer software--Reusability.Software patterns. LC Class. No.: QA76.64 / .D47 1995 Dewey Class. No.: 005.12