Newton y la gravedad en 90 minutos - Strathern, Paul, 1940-; Fortes, Marta; Strathern, Paul, 1940- (Tres Cantos, Madrid, España : Siglo XXI de España Editores, S.A., 2014)
Translator's last name should read: Fontes.
Online resource; title from ePub title page (Digitalia, viewed June 28, 2017)
Keywords: Newton, Isaac, -- 1642-1727.; Physicists -- Great Britain -- Biography; Gravity; Electronic books