Orr, Ken. <br/><br/>
Structured requirements definition / 
by Ken Orr. 
 - Topeka, Kan. :  K. Orr,  c1981. 
 - 235 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [225]-227. 
<br/><br/><label>ISBN: </label>096058840X (pbk.) 
<br/><br/><label>LCCN: </label>81080846  
<br/><br/><label>Subjects--Topical Terms: </label><br/>System theory.
<br/><br/><label>LC Class. No.: </label>Q  295 .O77 1981  / .O77 
<br/><br/><label>Dewey Class. No.: </label>003