See Allo

Where next, Columbus? : the future of space exploration / edited, Valerie Neal

Oxford University Press , 1994

Buku Teks

Burrows, William E., author

This new ocean : the story of the first space age / William E. Burrows

Random House, 1998

Buku Teks

Sagan, Carl, author

Pale blue dot: a vision of the human future in space/Carl Sagan

Ballantine Books , 1997

Buku Teks

Space law : views of the future

edited by Tanja L. Zwaan

[publisher not identified], 1988

Buku Teks

Gorove, Stephen, author

Developments in space law issues and policies

Martinus Nijhoff , 1991

Buku Teks

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