TY  - BOOK
AU  - Clagett, Marshall
AU  - Clagett, Marshall
TI  - Ancient egyptian science, a source book : (Vol.2 Calendars, clocks & astronomy)
U1  - V671:50Ax 
PY  - 1995///
CY  - Philadelphia
PB  - Ame. Phil. Society
KW  - V671:50Ax
ER  -