History of rocketry and astronautics: proceedings of the twenty-fourth Symposium of the International Academy of Astronautics, Dresden, Germany, 1990

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Published for the American Astronautical Society by Univelt, 1997 - Technology & Engineering - 306 pages
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Contents

Background and Initial DualPlanet Mission Studies
3
The Origin of GravityPropelled Interplanetary Space Travel
63
Deep Roots
105
Copyright

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