The process of communications 

 - Michigan:  East Lansing,  1960. 
 -  v, 318p. 
<br/><br/> HB 
<br/><br/>Includes index 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication
<br/><br/><label>Dewey Class. No.: </label>302.2  / PRO