1
Eleven seconds into the unknown : a history of the hyper-X program [E-Book] /
Subject (ZB): ...Hypersonic planes Research United States....

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2
Evaluation of the National Aerospace Initiative / [E-Book]
2004
Subject (ZB): ...Hypersonic planes United States....

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3
Hypersonic technology for military application / [E-Book]
1989
Subject (ZB): ...Hypersonic planes....

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