Electronic processes in ionic crystals / N. F. Mott ... and R. W. Gurney ... Ionic crystals. Mott, N. F. (Nevill Francis), Sir, 1905- Gurney, Ronald W. (Ronald Wilfrid) joint author. Electrons. Crystallography. QD939 .M6 541.372 MOE Bibliographical foot-notes. Oxford, The Clarendon Press, 1940. 1940. 1940 Text xii, 275 p. eng The international series of monographs on physics