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4. G.H. Bannister and J.R. Thomson, “The Body-Centered-Cubic to Face-Centered-Cubic Phase Transformation in Thorium and Some Thorium-Rich Alloys,”J Nucl. Mater., 12,16–23 (1964). (Equi Diagram; Experimental)
5. O.N. Carlson and E.R. Stevens, “Thorium Phase Diagrams,”Nucl. Eng. Des.,17,439–446 (1971). (Equi Diagram; Review)