1. H. M. Ledbetter, W. F. Weston, and E. R. Naimon, J. Appl. Phys. 46, 3855–3860 (1975).JAPIAU0021-8979
2. H. M. Ledbetter, N. V. Frederick, and M. W. Austin, J. Appl. Phys. 51, 305–309 (1980).JAPIAU0021-8979
3. H. M. Ledbetter, Metal Science J. (to be published).
4. E. W. Collings and S. C. Hart, Cryogenics 19, 521–530 (1979).CRYOAX0011-2275
5. E. W. Collings and S. C. Hart, in Advances in Cryogenic Engineering, Vol. 26 (Plenum, New York, 1980).