August 1760, Leipzig, pp. 173–176 1 2 Maxwell (1875, Attraction), Secondary sources 1 2 3 Taylor (1876), Secondary sources ↑ Challis, J. (1869), Notes of the Principles of Pure and Applied Calculation, Cambridge ↑ Maxwell (1875), Secondary sources 1 2 Zenneck (1903), Secondary sources ↑ Varignon, P. (1690), Nouvelles conjectures sur la Pesanteur, Paris ↑ Lomonosow, M. (1970), Henry M. Leicester, ed., "On the Relation of the Amount of Material and Weight (1758)", Mikhail Vasil'evich Lomonosov on the Corpuscular Theory, Cambridge: Harvard University Press: 224–233 ↑ Herapath, J. (1821), "On the Causes, Laws and Phenomena of Heat, Gases, Gravitation", Annals of Philosophy, Paris, 9: 273–293 ↑ Radzievskii, V.V. & Kagalnikova, I.I. (1960), "The nature of gravitation", Vsesoyuz.