Gamma, Erich...[et al] <br/><br/>
Design pattern: elements of reusable object-oriented 

 -  Pearson Education  1995 
 - 395p. 
<br/><br/><label>ISBN: </label> 375 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER
<br/><br/><label>Dewey Class. No.: </label>005.1  / GAM