Leffingwell, Dean. <br/><br/>
Managing software requirements :  a unified approach / 
Dean Leffingwell, Don Widrig. 
 - Reading, MA :  Addison-Wesley,  c2000. 
 - xxix, 491 p. :  ill. ;  24 cm. 
 - The Addison-Wesley object technology series .
<br/><br/>Includes bibliographical references (p. 477-480) and index. 
<br/><br/><label>ISBN: </label>0201615932 (recycled paper) 
<br/><br/><label>LCCN: </label>99046571  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer software--Development--Management.
<br/><br/><label>LC Class. No.: </label>QA76.76.D47  / L44 2000 
<br/><br/><label>Dewey Class. No.: </label>005.1/068