References for: Kepler's Planetary Laws

Version for printing
  1. A E L Davis: 'Some plane geometry from a cone: the focal distance of an ellipse at a glance', Mathematical Gazette, forthcoming July 2007.
  2. A E L Davis: 'Kepler's Road to Damascus', Centaurus 35 (1992) pp.156-157; 'Kepler's unintentional ellipse - a celestial detective story', Mathematical Gazette 82, no.493 (1998), p.42;
  3. A E L Davis: 'The Mathematics of the Area Law: Kepler's successful proof in Epitome Astronomiae Copernicanae (1621)', Archive for History of Exact Sciences 57, 5 (2003), especially Section 6.
  4. Isaac Newton: The Mathematical Principles of Natural Philosophy, London 1687.

JOC/EFR October 2006

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