Harwell, George C <br/><br/>
Technical communication 

 - New York:   The Macmillan Company,   1960 
 - x, 332p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Subjects--Index Terms: </label>Communication Mechanics 
<br/><br/><label>Universal Decimal Class. No.: </label>D 001.816:047.3  / K0