1. M. Hansen, Constitution of Binary Alloys, McGraw-Hill, New York, N.Y.
2. Thermal and Electrical Properties of Heavily Doped Ge‐Si Alloys up to 1300°K
3. R. A. Lefever, G. L. McVay and R. J. Baughman, Part III, to be published.
4. G. L. McVay, R. A. Lefever and R. J. Baughman, Part II, to be published.