@book{13363,
	author = {Richtmyer, F. K. and Kennard, E. H.},
	title = {Introduction to modern physics /},
	publisher = {McGraw-Hill Book,},
	year = {1947.},
	series = {International series in pure and applied physics},
	address = {New York :},
	edition = {4th ed.},
	note = {Includes index.}
}