CCIR Plenary Assembly Duesseldorf, 1990 :   Recommendations : Mobile, Radiodetermination, Amateur and Related Satellite Services /   Vol.8+Annex:1,2,3 

 - Geneva :   ITU,   1990. 
 - XX, 55 s.+Annex;   30 cm. 
<br/><br/><label>ISBN: </label>9261042414