Хайлтын үр дүнгүүд - National Research Council (U.S.). Steering Committee for the NASA Technology Roadmaps
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An interim report on NASA's draft space technology roadmap
Хэвлэсэн 2011“…National Research Council (U.S.). Steering Committee for the NASA Technology Roadmaps…”
An electronic book accessible through the World Wide Web; click to view
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