Waves, Guided  <br/><br/>
Conference on trunk telecommunications  
/ Grosvenor House, 29 September- 2 October 1970 
 - UK.:  The Institution of Electrical Engineers,   1970  
 - xiv, 363p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics 
<br/><br/><label>Subjects--Index Terms: </label>Science  
<br/><br/><label>Universal Decimal Class. No.: </label>621.396(082.2)  / L0