Freeman, Roger L..  <br/><br/>
Reference Manual for Telecommunications Engineering /   volume 2 
Freeman Roger L.. 
 - 3 edition. 
 - New York :   Wiley & Sons,   2002. 
 - XIV, s.1841-3551:   il.;   30 cm. 
<br/><br/><label>ISBN: </label>0471417181