Martens, Rhonda Kepler's philosophy and the new astronomy [electronic resource] / Rhonda Martens. - New Jersey : Princeton University Press, 2009. - 1 online resource (216 pages). ISBN: 0-691-05069-4 Subjects--Topical Terms: Kepler’s law.Astronomy.iG Publishing. Dewey Class. No.: eBook 521.3 M377 2009