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INTERNATIONAL TELECOMMUNICATION UNION REPORTS OF THE CCIR
1990(ALSO RESOLUTIONS AND OPINIONS)VOLUME XI-PART 11990 年出版124 页ISBN：
INTERNATIONAL TELECOMMUNICATION UNION REPORTS OF THE CCIR
1990(ALSO DECISIONS)ANNEX TO VOLUME XI-PART 11990 年出版706 页ISBN：
INTERNATIONAL TELECOMMUNICATION UNION REPORTS OF THE CCIR
1990(ALSO RECISIONS AND OPINIONS)VOLUME X-PART 11990 年出版203 页ISBN：
INTERNATIONAL TELECOMMUNICATION UNION REPORTS OF THE CCIR
1990(ALSO RECISIONS)ANNEX TO VOLUME IV-PART 11990 年出版766 页ISBN：
BROADCASTING AND TELECOMMUNICATION AN INTRODUCTION 2ND EDITION
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INTERNATIONAL TELECOMMUNICATION UNION REPORTS OF THE CCIR
1990(ALSO RECISIONS)ANNEX 2 TO VOLUME VIII MARITIME MOBILE SERVICE1990 年出版385 页ISBN：
