Brown, J.  <br/><br/>
Telecommunications :  the general principles / 
J. Brown and E. V. D. Glazier. 
 - England :  The English language book society.  c1964. 
 - xiv, 370 pages :  illustrations ;  24 cm. 
 - Low price textbook series. .
<br/><br/>Includes bibliographical references (p. 523-550) and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.<br/>Data transmission systems.<br/>Computer networks.
<br/><br/><label>Dewey Class. No.: </label>621.382 BRO