S. Prosvirnin

Optical studies of Cr3+–Cr2+ pair center in KZnF3 crystal

M. Eremin, N. Silkin, S. Nikitin, 2000, cond-mat/0009461.

Low-lying states of trinuclear mixed-valence cluster: [Fe3S4]0

M. Eremin, S. Nikitin, S. Prosvirnin, 2002 .

EPR and optical spectroscopy of impurities in two synthetic beryls

V. V. Izotov, J. Gaite, S. Nikitin, 2001 .

Optical studies of Cr3+–Cr2+ pair center in KZnF3 crystal

M. Eremin, N. Silkin, S. Nikitin, 2000, cond-mat/0009461.