Before revision: Retrieved April 3, 2009 The first treatise about optics by Johannes Kepler, Ad Vitellionem paralipomena quibus astronomiae pars optica traditur (1604), generally recognized as the foundation of modern opticsCaspar, Max (1993) Kepler.Courier Corporation.
After revision: Retrieved April 3, 2009 The first treatise about optics by Johannes Kepler, (1604), generally recognized as the foundation of modern opticsCaspar, Max (1993) Kepler.Courier Corporation.