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1. Les communications spatiales et les moyens de grande information : Rapport presente par Unesco a l´ocasion de la Conference de 1963 sur les communications spatiales / Unesco.

by Unesco.

Material type: book Book Publisher: Paris : Unesco, 1963Availability: Items available for loan: [Call number: XII M6748] (1).

2. La radiodiffusion par satellites / Unesco.

by Unesco.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: Paris : Unesco, 1971Availability: Items available for loan: [Call number: XII M6756] (1).

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