Sommerville Ian <br/><br/>
Software engineering 
Sommerville Ian 
 - 6 
 -  2001 
<br/><br/><label>Standard No.: </label>7655 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D6,8(B),2, P1