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English Pages [63] Year 1961
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Are you an Italian speaking traveler? If you are, this book is the solution for your communication problems when you tra
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There is no gravity in space. The North Star never changes its position in the sky. Earth's shadow causes the phase
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Are you a German speaking traveler? If you are, this book is the solution for your communication problems when you trave
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Whiplash, first described in a medical journal in 1953, now occurs so frequently that in the U.S. alone its annual cost
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