TY  - BOOK
AU  - Duncan,David Ewing
TI  - Calendar: humanity's epic struggle to determine a true and accurate year 
SN  - 0380975289
AV  - CE6 .D86 1998
U1  - 529/.3/09 21
PY  - 1998///
CY  - New York
PB  - Bard
KW  - Calendar
KW  - History
N1  - "An Avon book."; Includes bibliographical references (p. 251-254) and index
ER  -