New Compounds in R-Fe-Si Systems (R=Y, Sm, Gd, Tb) / G. V. Ivanova et al. //Trends in Magnetism: Euro-Asian Symposium (EASTMAG-2001) = Прогресс в магнетизме, Евро-Азиатский Симпозиум, February 27 - March 2, 2001 / Institute of Metal Physics of the Ural Division of the RAS. - Ekaterinburg, 2001. - P.32.