Report by the voluntary group of experts to study allocation and imoroved use of the radio frequency spectrum and simplification of the radio regulations : simplification of the radio regulations
- International Telecommunication Uninon ;
Simplification of the radio regulations
International Telecommunication Uninon
621.396:061.013 I.T.U.
Simplification of the radio regulations
International Telecommunication Uninon
621.396:061.013 I.T.U.