Danielson, G.L  <br/><br/>
Radio and line transmission: Volume 1  

 - London;  Iliffe Books,  1969. 
 - 282p. 
 - Telecommunication Technicians' series .
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<br/><br/><label>ISBN: </label>0592059758 
<br/><br/><label>Source: </label> 1993-4 
<br/><br/><label>LC Class. No.: </label>TK5101   / .D57 1969