144112
9780380793242
"David Ewing Duncan's book takes the story from a 28,000-year-old Cro-Magnon lunar-calendar bone-carving to the beginning of Co-ordinated Universal Time, measured in oscillations of caesium since 1972. It is far and away the most thorough and the most readable yet to have been written on this dense, senseless subject."Duncan, David Ewing is the author of 'Calendar Humanity's Epic Struggle to Determine a True and Accurate Year', published 1999 under ISBN 9780380793242 and ISBN 0380793245.
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