"Histoire." . . "MECÂNICA CELESTE." . . "Mecànica celeste." . "Astronomie." . . "SCIENCE General." . . . . "Textgeschichte." . . "Mécanique céleste Histoire." . . "Hemelmechanica." . . "SCIENCE Astronomy." . . . . . . . . . . . . . "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" . . "Electronic books"@en . . . . . "The key to Newton's dynamics : the Kepler problem and the Principia : containing an English translation of section 1,2, and 3 of book one from the first (1687) edition of Newton's Mathematical principles of natural philosophy" . "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"@en . . . . . . . . . . . . . "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 de first (1687) edition of Newton's Mathematical principles of natural philosophy" . . . . . . . . "Planetenbahn." . . "Loi de Kepler." . . "Himmelsmechanik Geschichte 17. Jh." . . "Mécanique céleste." . . "Philosophiae naturalis principia mathematica (Newton)" . . "Kepler, Lois de." . .