EinsteinAlbert. (1916). Relativity: The Special and the General Theory. Translated by RobertW. Lawson, 1961. New York, NY: Crown Publishers, Inc.
2.
NewtonSir Isaac. (1687). Mathematical Principles of Natural Philosophy. In RobertM. Hutchins (ed.) Great Books of the Western World, vol. 34. Chicago, IL: Encyclopedia of Britannica, Inc.
3.
WilsonEdward O. (1998) Consilience: The Unity of Knowledge.