1. H. A. Sailer and F. A. Rough: Compilation of U. S. and U. K. Uranium and Thorium Constitution Diagrams. Report BMI-1000, Office of Technical Services, June 1955, U. S. Dept. of Commerce, Washington, D. C.
2. D. Summer-Smith: The Constitution of Uranium Zirconium Alloys. Journal, Inst, of Metals, 1955, vol. 83, p. 277.
3. M. Mueller: Unpublished data, 1955.