Graham John <br/><br/>
Jaico dictionary of telecommunications. 

 - Bombay  Jaico Publishing        1993 
 - ix,180p.  cm. 
<br/><br/><label>Standard No.: </label>38165 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>D65,4k, N3      RR