1. R.W. Dodson, A.C. Graves, L. Helmholz, D.L. Hufford, R.M. Potter and J.G. Poveletes, Chapter 1 in A.C. Graves and D.K. Froman, Miscellaneous Physical and Chemical Techniques of the Los Alamos Project (McGraw-Hill Book Co., Inc., New York).
2. A Method for Preparing Boron of High Purity.
3. H.I. Schlesinger, U.S. Atomic Energy Commision Report Nos MDDC 1339 and MDCC 1340.
4. Evaporation Technique for Highly Refractory Substances
5. The deposition of boron and B4C