Cowley, John Maxwell. Crystal structure determined by electron diffraction / by J.M. Co wley. - Oxford : Pergamon Press, 1968 - 267-321 p. : ill. ; 24 cm. - Progress in material Science ; v. 13; no.6 . Includes bibliographical references. Subjects--Topical Terms: Crystals. Electrons -- Diffraction. Dewey Class. No.: 548.83