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2. H.-S. Li, J.M.D. Coey, in: K.H.J. Buschow (Ed.), Handbook of Magnetic Materials, vol. 6, North-Holland, Amsterdam, 1991, p. 1.
3. Thermodynamic, electric and magnetic properties of Pr7Co6Al7 intermetallic compound
4. Ferromagnetic interactions in Nd7Co6Al7
5. Crystal structure of R3Co8Sn4 compounds (R=Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y)