Schubert, Werner. <br/><br/>
Communication cables and transmission lines 

 - 3rd.ed 
 - Barcelona :   Marcombo,   1985. 
 - 224 p. 
<br/><br/><label>ISBN: </label>3800914301 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMUNICACIONES<br/>CABLES<br/>SISTEMAS DE TRANSMISION
<br/><br/><label>Universal Decimal Class. No.: </label>621.39