Gamma, Erich  . <br/><br/>
Design Patterns elements of reusable object-oriented software /  
by Erich Gamma... et al . 
 - Delhi :   Pearson Education(Singapore) Pte. Ltd. ,   2003 
 - 395p :  
<br/><br/><label>ISBN: </label>81-7808-135-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science
<br/><br/><label>Dewey Class. No.: </label>BV  / P3