Erich Gamma <br/><br/>
Design patterns : elements of reusable object-oriented software 
/ Erich Gamma ... [et al.]. 
 - Reading, Mass.  : Addison-Wesley  , c1995. 
 - xv, 395 p.  : ill.  ; 25 cm. 
 - Addison-Wesley professional computing series. .
<br/><br/><label>ISBN: </label>0201633612 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Object-oriented programming (Computer science)<br/>Computer software--Reusability.
<br/><br/><label>Dewey Class. No.: </label>005.12