1. A. Smigelskas and E. Kirkendall, Trans. AIME, 171 (1947) 130.
2. The work of L. C. Correa da Silva and R. Mehl, Trans. AIME, 191 (1951) 155, is one of the careful, early confirmations.
3. For a list of such references, see D. Lazarus, in Seitz and Turnbull (eds.), Solid State Physics, vol. 10, p. 71, Academic Press, New York, (1960).
4. L. Darken, Trans, AIME, 175 (1948) 184.
5. R. W. Balluffi, Acta Met., 8 (1960) 871.