Ritchie, L. David <br/><br/>
Information / 
L. David Ritchie 
 - Newbury Park, Calif. :  Sage Publications,  c1991 
 - viii, 75 p. ;  23 cm. 
 - Communication concepts ;  2 .
<br/><br/>Includes bibliographical references (p. 68-72) and index 
<br/><br/><label>ISBN: </label>0803939043 0803939051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication<br/>Information theory
<br/><br/><label>Dewey Class. No.: </label>302.2  / R599I