Broadcasting from space. 

 - Paris :  UNESCO,  c1971. 
 - 65 p. ; 
<br/><br/><label>ISBN: </label>GOVT-DOC3778 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artificial satellites in telecommunication.
<br/><br/><label>Dewey Class. No.: </label>384.5456  / Br