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The top documents of marcus-2012
Advanced space propulsion concepts for interstellar travel
10.676 views
NASA aviation & alternative fuels workshop
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Green trucks advanced transportation technology
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Green ships and blue waters
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Gravitational field propulsion
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Evaluation of green propellants for an icbm post boost propulsion system
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Alternative fuels and propulsion systems australian governemnt
2.970 views
Alternative energy research and spatial energy
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A new era for electric propulsion
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40th international conference on environmental systems
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What curiosity in the structure hollow earth in science
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Euler and the hollow earth fact or fiction
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Hollow Earth Excerpt
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Scientific method vs. hollow earth theory
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The science behind journey to the center of the earth
3.221 views
Earth – moon gravity primer
1.066 views
Origins of mordern astronomy
1.947 views
Hollow earth script
3.486 views
Bernard, dr. rw the hollow earth - the greatest geographical discovery in history made by admiral richard e. byrd in the mysterious land beyond the poles
6.158 views
Advancing the science f flight technology
2.536 views
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