The key to Newton's dynamics : the Kepler problem and the Principia : containing an English translation of sections 1, 2, and 3 of book one from the first (1687) edition of Newton's Mathematical principles of natural philosophy /
Brackenridge, J. Bruce,1927-
Newton, Isaac,1642-1727.Principia. Book 1.
Berkeley, Calif. ; London : University of California Press,
c1995.
Bibliography: p289-292. - Includes index
Kepler's laws.
Celestial mechanics.