1. 60Mor: J. L. Moriarity, “An Investigation of Rare Earth-Metal Alloy Systems,” Ph. D. thesis, University of Iowa, Iowa City, IA (1960).
2. 61Bae: N. C. Baenziger and J. L. Moriarity, “Gadolinium and Dysprosium Intermetallic Phases. II. Laves Phases and Other Structure Types,”Acta Crystallogr., 14 948 (1961).
3. 65Pie: J. Pierre and R. Pauthenet, “Magnetisme.-Propriétés Magnétiques des Composés Intermétalliques Terre Rare-Argent,”Compt. Rend., 260, 2739 (1965) in French.
4. 67Dwi: A. E. Dwight, J. W. Downey, and R. A. Conner, Jr., “SomeC11 b -Type Compounds of Sc, Y, and the Lanthanides with Cu, Ag, and Au,”Acta Crystallogr., 22, 745 (1967).
5. 67Fer: R. Ferro, R. Capelli, A. Borsese, and S. Delfino, “Ricerche Sulle Leghe dei Metalli Nobili con gli Elementi più Elettro positivi. XII. Fasi TipoC 11 in Leghe delle Terre Rare,”Atti Accad. Naz. Lincei Rend., Cl. Sci. Fis. Mat. Nat., 42, 60 (1967) in Italian.