1. Samsonov G.V., Pademo Y.B., Borides of the Rare Earth Metals (U.S. Atomic Energy Commission
Translation Series AEC-tr-5264), United States Atomic Energy Commission, Washington, D.C. (1961)
2. Mordovin O.A., Timofeeva E.N., Rare-Earth Element Hexaborides, Russ. J. Inorg. Chem.,
13, 1627-1629 (1968)
3. Prilepsky V.N., Timofeeva E.I., Timofeev V.A., Enthalpy and Heat Capacity of Europium, Neodymium
and Samarium Hexaborides at 300-1300 K, Inorganic Mater., 6, 1816-1817 (1970)
4. Krikorian, O.H., Estimation of Heat Capacities and Other Thermodynamic Properties of Refractory
Borides, Technical Report UCRL-51043, California Univ., Livermore. Lawrence Radiation Lab.,
1-39 (1971)
5. Fisk, Z., Cooper, A.S., Schmidt, P.H., Castellano, R.N., Preparation and Lattice Parameters of
the Rare Earth Tetraborides, Mater. Res. Bull., 7, 285-288 (1972)