Brown, John  <br/><br/>
Telecommunications / 
John Brown and E. V. D. Glazier 
 - 2nd ed. 
 - London :  Chapman & Hall Ltd.,  1975 
 - xiv, 382 p. :  ill. ;  23 cm. 
<br/><br/>Includes Bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>Dewey Class. No.: </label>621.38216  / BRT 1975