TY  - BOOK
AU  - Pledge Humphrey Thomas
TI  - Science since 1500: a short history of mathematics, physics, chemistry and biology 
T2  - science lib
AV  - Q125 .P63 1966
U1  - 509 
PY  - 1959///]
CY  - New York
PB  - Harper
KW  - Science
KW  - History
KW  - 自然
ER  -