1. K. P. Belov, R. Z. Levitin, S. A. Nikitin, and V. I. Sokolov, “Phenomena of Abnormally High Magnetostriction in Rare-Earth and Uranium Compounds,” Discovery No. 225 according to State Register.
2. K. P. Belov, G. I. Kataev, S. A. Nikitin, et al., Sov. Phys. Usp. 26, 518 (1983).
3. A. E. Clark, “Magnetostrictive RFe2 Intermetallic Compounds” in Handbook on the Physics and Chemistry of Rare-Earth, Ed. by K. A. Gschneider (North-Holland, Amsterdam, 1979).
4. N. C. Koon, C. M. Williams, and B. N. Das, J. Magn. Magn. Mater. 100, 173 (1991).
5. R. D. Greenough, A. G. Jenner, M. P. Schuize, and A. J. Wilkinson, J. Magn. Magn. Mater. 101, 75 (1991).