Goodstein, David L Feynman's lost lecture the motion of planets around the sun David L Goodstein and Judith R Goodstein - London Vintage 1997 - 191p. ISBN: 0-09-973621-7 Subjects--Topical Terms: Celestial mechanicsConic sectionsOrbital motionsPlanetsPlanets orbits Universal Decimal Class. No.: 53 / GOO