TY  - BOOK
AU  - Newton
AU  - Cohen,I.Bernard
TI  - Introduction to Newton's "Principia"
SN  - 052107648X :
U1  - 531 
PY  - 1971///
CY  - Cambridge
PB  - The University Press
KW  - Newton, Isaac,
KW  - Mechanics
KW  - Early works to 1800
N1  - Includes bibliographical references and index
ER  -