Freeman, Roger L. <br/><br/>
Telecommunication transmission handbook / 
Roger L. Freeman. 
 - New York :  John Wiley & Sons,  1975. 
 - XIX, 587 s. ;  24 cm. 
<br/><br/> A Wiley-Interscience Publication. 
<br/><br/><label>ISBN: </label>0471277894 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telekomunikacja.
<br/><br/><label>Universal Decimal Class. No.: </label>621.39