1. W. Suski, in: K.A. Gschneidner Jr., L. Eyring (Eds.), Handbook on the Physics and Chemistry of Rare Earths, vol. 22, Elsevier, Amsterdam, 1996, p. 143.
2. H.S. Li, J.M.D. Coey, in: K.H.J. Buschow (Ed.), Handbook of Magnetic Materials, vol. 6, Amsterdam, Elsevier, 1991, p. 1.
3. E. Burzo, A. Chelkowski, H.R. Kirchmayr, Landolt-Börstein, vol. 19, New Series III, Springer-Verlag, Berlin, Heidelberg, 1990, pp. 1–469.
4. E.I. Gladyshevsky, O.I. Bodak, V.K. Pecharsky, in: K.A. Gschneider Jr., L. Eyring (Eds.), Handbook on the Physics and Chemistry of Rare Earths, vol. 13, Elsevier, Amsterdam, 1990, p. 1 (Chapter 88).
5. Magnetism and hyperfine interactions of 57Fe, 151Eu, 155Gd, 161Dy, 166Er and 170Yb in RM4Al8 compounds (R = rare earth or Y, M = Cr, Mn, Fe, Cu)