Danielson, G. L. <br/><br/>
Radio and line transmission:  vol 3 

 - 2nd ed. 
 - Toronto  Butterworth & Co  1969 
 - 308p.: ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0592059693 
<br/><br/><label>LC Class. No.: </label>TK 6550.03  / dan1969