1. L. S. Darken: Discussion of ref. 4. Trans. AIME (1947) 171, p. 138.
2. E. O. Kirkendall, L. Thomassen, and C. Upthegrove: Trans. AIME (1939) 133, p. 186; Metals Technology (October 1938).
3. E. O. Kirkendall: Trans. AIME (1942) 147, p. 104; Metals Technology (February 1942).
4. A. D. Smigelskas and E. O. Kirkendall: Trans. AIME (1947) 171, p. 130.
5. L. C. C. da Silva and R. F. Mehl: Trans. AIME (1951) 191, p. 155; Journal of Metals (February 1951).