by Yelsukov, E.P., Vorobyov, Yu.N., Arbusova, T.I., Smolyak, I.B.
Published in Journal of magnetism and magnetic materials (01.02.1994)

by Samokhvalov, A. A., Arbusova, T. I., Viglin, N. A., Naumov, S. V., Galakhov, V. R., Zatsepin, D. A., Kotov, Yu. A., Samatov, O. M., Kleshchev, D. G.
Published in Physics of the solid state (01.02.1998)

by YELSUKOV, E. P, VOROBYOV, YU. N, ARBUSOVA, T. I, SMOLYAK, I. B
Published in Journal of magnetism and magnetic materials (1994)