TY  - BOOK
AU  - DUNCAN, David Ewing
TI  - The calendar: The 5000-year struggle to align the clock and the heavens - what happened to the missing ten days
SN  - 1857029798
AV  - CE 73 .D86 1998
PY  - 1998///
CY  - London
PB  - Fourth estate
KW  - Calendar
ER  -