TY  - BOOK
AU  - Richards,E.G.
TI  - Mapping time: the calendar and its history
SN  - 0192862057
U1  - 529.3 
PY  - 1998///
CY  - New York
PB  - Oxford University Press
KW  - Calendar
KW  - History
KW  - Astronomy
N1  - Includes index
ER  -