Wirfs-Brock, Rebecca. <br/><br/>
Object design :  roles, responsibilities, and collaborations / 
Rebecca Wirfs-Brock and Alan McKean. 
 - Boston, Mass. :  Addison-Wesley,  c2003. 
 - xxiii, 390 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780201379433 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science
<br/><br/><label>Dewey Class. No.: </label>005.117  / WIR/O