Berzins, Valdis. <br/><br/>
Software engineering with abstractions / 
Valdis Berzins and Luqi. 
 - Reading, Mass. :  Addison-Wesley,  1999. 
 - xv, 624 p. ;  25 cm.  
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0201080044 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer software --Development.<br/>Ada (Computer program language).