Welch, B. J. & Angell, C. A. SELF-DIFFUSION OF Ag$sup +$ AND Na$sup +$ IN MOLTEN Ca(NO$sub 3$)$sub 2$-- KNO ., report, January 1, 1970; (https://digital.library.unt.edu/ark:/67531/metadc1029789/m1/2/: accessed May 27, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .