Davie, William R. <br/><br/>
Principles of electronic media / 
William R. Davie, James R. Upshaw 
 - 2nd ed. 
 -  Allyn and Bacon  2006 
<br/><br/>20419 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Broadcasting<br/>Artificial satellites in communication<br/>Internet
<br/><br/><label>LC Class. No.: </label>HE8689.4  / Dav