Schubert, Werner <br/><br/>
Communications cables and transmission systems / 
Werner Schubert 
 - 2nd. rev. ed. 
 - Berlin  Siemens Aktiengesellschaft.  1982 
 - 224p.  ill.  21cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>38000913461  RM171.15 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cables systems