![]() | The Key to Newton''s Dynamics: The Kepler Problem and the Principia Brackenridge J. Bruce : J. Bruce Brackenridge is Alice G. Chapman Professor of Physics at Lawrence University. |
![hidden image for function call](https://upload.wikimedia.org/wikipedia/commons/c/ca/1x1.png)
![]() | The Key to Newton''s Dynamics: The Kepler Problem and the Principia Brackenridge J. Bruce : J. Bruce Brackenridge is Alice G. Chapman Professor of Physics at Lawrence University. |