TY  - BOOK
AU  - Sedwick,W T
AU  - Tyler,H W
TI  - A short history of science
U1  - 509 SED 
PY  - 1939///.
CY  - New York : 
PB  - The Macmillan Company, 
KW  - Science- Greek- History
KW  - Science- History
ER  -