Gamma, Erich <br/><br/>
Design Patterns:  Elements of Reusable Object-Oriented Software 

 - Bangalore  Addison Wesley Longman Inc.  1995 
 - xv+395p. 
<br/><br/><label>ISBN: </label>9780201455632 
<br/><br/><label>Dewey Class. No.: </label>005.133 GAM