TY  - BOOK
AU  - Pledge, H.T,
TI  - Science since 1500: : a short history of mathematics, physics, chemistry, biology
T2  - Science Museum
U1  - 500[091] 
PY  - 1939///
CY  - London
PB  - His Majesty's Stationery Office
KW  - CIENCIA
KW  - HISTORIA
ER  -