World Communications Year : development of communications infrastructure : report of the Secretary-General of the International Telecommunication Union on the state of preparations for a World Communications Year.
1981
شكل
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تفاصيل
رمز / رقم الاستدعاء
E/1981/70/Add.2
العنوان
World Communications Year : development of communications infrastructure : report of the Secretary-General of the International Telecommunication Union on the state of preparations for a World Communications Year.
المؤلفون
معلومات عن جدول الأعمال
تاريخ
New York : UN, 31 July 1981.
الوصف
[17] p., including annexes : tables.