TY  - BOOK
AU  - Mason,Stephen Finney
TI  - Main currents of scientific thought: a history of the sciences
U1  - 509 
PY  - 1956///]
CY  - New York
PB  - H. Schuman
KW  - Science
KW  - History
KW  - Local
N1  - Includes bibliography
ER  -