Danielson, G. L. Walker, R. S. <br/><br/>
Radio and line transmission  

 - Second 
 - The English Language Book Society & Iliffe Books London  England  1965 
 - 295p.  fig. 
 - Volume   2 .
<br/><br/><label>ISBN: </label>0 592 00067 2 
<br/><br/><label>Nat. Bib. No.: </label>3981 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>621.372  / DAN