[1]
J. Boldú, R. Gleason, and E. Muñoz P., “Single crystal EPR study of trivalent gadolinium in Cs$_2$NaInCl$_6$ in the 6 -- 300 K interval”, Rev. Mex. Fís., vol. 51, no. 2, pp. 199–0, Jan. 2005.