TY  - BOOK
AU  - Isaac, newton
TI  -  The principla: : mathematical principlesof natural philosophy 
SN  - 9780520290747
AV  - QA 803  ISA 1999
PY  - 1999///
CY  - Oakland
PB  - University of carifonia press
KW  - Mechanics
KW  - principia
KW  - celestial mechanics
ER  -