CCIR Plenary Assembly Duesseldorf, 1990 :   Recommendations : Broadcasting-Satellite Service (Sound and Television) /   Vol.10/11 Part2+Annex 

 - Geneva :   ITU,   1990. 
 - XV, 34 s.+Annex;   30 cm. 
<br/><br/><label>ISBN: </label>9261042716