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Global Communications in the Space Age: Toward a New ITU.

John and Mary R. Markle FoundationTwentieth Century Fund

出版	John and Mary R. Markle Foundation, 1972
ISBN	08707812869780870781285
URL	http://books.google.com.hk/books?id=kEzajLhLlLUC&hl=&source=gbs_api

註釋

Report of an international conference sponsored by the John and Mary R. Markle Foundation and the Twentieth Century Fund.