Freeman, Peter,  1941- <br/><br/>
Software perspectives :  the system is the message / 
Peter Freeman. 
 - Reading, Mass. :  Addison-Wesley,  c1987. 
 - xxv, 294 p. :  ill. ;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 281-287. 
<br/><br/><label>ISBN: </label>0201119692 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer software.