Smith, J. R. G. <br/><br/>
Elementary telecommunication practice / 
J. R. G. Smith  
 - London :  The English Langeage Book Society,  c1967. 
 - viii, 319 p.  illus., tables, diagrs.  19 cm. 
<br/><br/> Includes index. 
<br/><br/>
<br/><br/><br/>English. 
<br/><br/><label>LCCN: </label>68075075  
<br/><br/><label>Nat. Bib. No.: </label>B67-21250 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication.
<br/><br/><label>LC Class. No.: </label>TK5101  / .R4 
<br/><br/><label>Dewey Class. No.: </label>621.382/SME