Bragg, William Henry, 1862-1942. X rays and crystal structure / by W. H. Bragg and W. L. Bragg. - 2nd ed. - London : G. Bell and Sons, Ltd., 1916. - vii, 228, [4] p., [4] leaves of plates : ill., plates ; 22 cm. Includes index. ISBN: (Hbk.) Subjects--Topical Terms: X-rays.Crystallography. Dewey Class. No.: 548