TY  - BOOK
AU  - Sullivan,J.W.N.
AU  - Singer,Charles Joseph
TI  - Isaac Newton, 1642-1727,
U1  - 925.3 
PY  - 1938///
CY  - New York
PB  - The Macmillan company
KW  - Newton, Isaac,
KW  - BIOGRAFÍAS
ER  -