O'Reilly, J.J. <br/><br/>
Telecommunication principles 

 - Second edition 
 - London:  Chapman Hall,  1984. 
 - vii,158p.;  24cm 
<br/><br/><label>ISBN: </label>0 412 43700 7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>Dewey Class. No.: </label>384  / ORE