Erik Bergaust
Erik Bergaust has written at least 7 books. Their most popular book is Wernher von Braun with 1 save with an average rating of -⭐.
 Wernher von Braun Wernher von Braun
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 The Next 50 Years on the Moon
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 Rescue in space
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 Oceanographers in action
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 Colonizing the planets
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 Colonizing the sea
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 Satellite!
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