189 resultados para rail tunnel
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"Calendar no. 769."
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Mode of access: Internet.
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Mode of access: Internet.
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Cover title: Preliminary system plan.
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Title from caption.
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Mode of access: Internet.
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Mode of access: Internet.
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Table.
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Title varies slightly.
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At head of title: Final report, Project TUN.
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"Supported by the McDonnell Aircraft Corporation under Contract no. 6140-20 P. O. 7S4899-R. Purdue Research Foundation. Research project no. 1717. Project Ae-33.
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"August 1965."
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Mode of access: Internet.
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Mode of access: Internet.
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"Presented at the I.A.S. National Symposium on Hypervelocity Techniques, Denver, Colorado, October 20, 21, 1960."