Disambiguation evidence for "Extra-Terrestrial Relays" (1945 article on communications satellites) via surface form
""Extra-Terrestrial Relays" (1945 article on communications satellites)"
Triples (1)
Triples where some other subject referred to this entity
as ""Extra-Terrestrial Relays" (1945 article on communications satellites)".
Arthur C. Clarke
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""Extra-Terrestrial Relays" (1945 article on communications satellites)"
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