Knight, Stephen Alfred <br/><br/>
Telecommunication Principles for Final Certificate 1 

 - London :   Butterworth-Heinemann,   c1971 
 - 273 p.  : ill 
<br/><br/>
<br/><br/>v. 1. Telecommunication Principles B  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications
<br/><br/><label>Dewey Class. No.: </label>621.38  / KNI