1. P.T. Danilchenko, “Mercurides of Ce, La, Pr and Nd,”Zh. Obshch. Khim., 7,467–474 (1931) in Russian. (Equi Diagram; Experi- mental)
2. E.E. Jukkola,L.E Audrieth, and B.S. Hopkins, “Observations on the Rare Earths. Electrolytic Preparation of Rare Earth Amalgams. Amalgams of La, Nd, Ce, Sm and Y. Metallic La, Nd and Ce by Ther- mal Decomposition of Their Amalgams,”J. Am. Chem. Soc, 56,303- 304 (1934). (Equi Diagram; Experimental)
3. A. Iandelli, “Intermetallic Compounds of Rare Earth Metals,”The Physical Chemistry of Metallic Solutions and Intermetallic Com- pounds, Vol. 1, Paper 3F, HMSO, London, 11 p (1959). (Equi Dia- gram, Crys Structure; Experimental)
4. A.F. Messing and O.C. Dean, “Solubility of Selected Metals in Hg,” USAEC Rep.ORNL-2871 (1960). (Equi Diagram, Thermo; Ex-perimental)
5. H.R. Kirchmayr, “Compounds of Y, Sm and Gd with Hg,”Acta Phys. Austriaca, 18,193–204 (1964) in German. (Equi Diagram, Crys Structure; Experimental)