Bretz, Rudy <br/><br/>
A texonomy of communication media 
Rudy Bretz 
 - 2nd print 
 - Englewood Cliffs, New Jersey  Educational Technology publ.,  c1971, 1972 
 - xxiv, 168p.:  fig. ;  24 x 15cm 
<br/><br/><label>ISBN: </label>0877780129 9780877780120 
<br/><br/><label>LCCN: </label>659 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--communication
<br/><br/><label>Dewey Class. No.: </label>302.23/B845t