Edward Gettys W, Frederick J Keller, . (1989). Physics:Classical and Modern. New York: McGRAW HILL.
Edward Gettys W, Frederick J Keller, . 1989. Physics:Classical and Modern. New York: McGRAW HILL.
Edward Gettys W, Frederick J Keller, . Physics:Classical and Modern. New York: McGRAW HILL. 1989.