Casey, Robert S. <br/><br/>
Oral communication of technical information 
by Robert S. Casey 
 - New York  Reinhold Book Division  1958 
 - vii, 199p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual equipment<br/>Oratory
<br/><br/><label>Dewey Class. No.: </label>I511 C268