1. K.H.J. Bushow and J.H.N. van Vucht: “The System Erbium-Aluminium and a Comparison with the System Yttrium-Aluminium,” Z. Metallkd., 1965, 56, pp. 9–13.
2. J.E. Pahlman and J.F. Smith: “Thermodynamics of Formation of Compounds Ce-Mg, Nd-Mg, Gd-Mg, Dy-Mg, Er-Mg, and Lu-Mg Binary Systems in the Temperature Range 650 to 930 K,” Metallurgical Transaction A., 1972, 3, pp. 2423–32.
3. Y.M. Muggianu, M. Gambino, and J.P. Bros: “Entalpies de formation des alliage liquides Bismuth-Etain-Gallium a 723 K. Choix d’une répresentation analitique des grandeurs d’excès intégrales et partielles de melange,” J. Chem. Phys., 1975, 72, pp. 83–88.
4. L.L. Rokhlin, N.I. Nikitina, and Z.H. Zolina: “Magnesium Alloys with Erbium,” Metalloved. Term. Obrab. Met., 7, 1978, pp. 15–18.
5. B. Sundman and J.J. Agren: “A Regular Solution Model for Phases with Several Components and Sublattices Suitable for Computer Applications,” Phys. Chem. Solids, 1981, 42, pp. 297–301.