1. 56Ell: F.H. Ellinger, “Crystal Structure of δ′ Plutonium and the Thermal Expansion Characteristics of δ, δ′, and ε Plutonium,”J. Met., 8, 1256–1259 (1956). (Crys Structure; Experimental)
2. Indicates key paper64Ell: F.H. Ellinger, C.C. Land, and V.O. Struebing, “The Plutonium-Gallium System,”J. Nucl. Mater., 12, 226–236 (1964). (Equi Diagram, Crys Structure; Experimental; Indicates presence of a phase diagram).
3. 64Wit: L.J. Wittenberg and G.R. Grove, U.S. At. Energy Comm. Rep. MLM-1244, 56p (1964). (Equi Diagram; Experimental)
4. 65Ell1: F.H. Ellinger and W.H. Zachariasen, “The Crystal Structures of PuGa4 and PuGa6,”Acta Crystallogr., 16, 281–283 (1965). (Crys Structure; Experimental)
5. 65Ell2: R.O. Elliott and K.A. Gschneidner, Jr., “Behavior of Some Delta Stabilized Plutonium-Gallium Alloys at High Pressures,” Los Alamos Sci. Lab. Rep. LA-2312 (1965). (Equi Diagram; Experimental)