Wilson, A. J. C. X-ray optics the diffraction of X-rays by finite and imperfect crystals. - London Methuen [1949] - vii, 127 p. diagrs. - Methuen's monographs on physical subjects . Includes bibliographies. LCCN: 49049639 //r872 Subjects--Topical Terms: X-raysCrystals LC Class. No.: QD945 / .W5 Dewey Class. No.: 548.8