A Brief History of Timekeeping : The Science of Marking Time, from Stonehenge to Atomic Clocks
Chad Orzel
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Format: eBook (EPUB)
Unnatural Selection : The Challenges of Engineering Tomorrow's People
Peter Healey
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Format: eBook (PDF)
Unnatural Selection : The Challenges of Engineering Tomorrow's People
Peter Healey
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Format: eBook (EPUB)