2005:

Physica B: Condensed Matter, Volume 356, Issues 1-4, 15 February 2005, Pages 259-263 A.I. Okorokov, S.V. Grigoriev, Yu. O. Chetverikov, S.V. Maleyev, R. Georgii, P. Böni, D. Lamago, H. Eckerlebe and ...
Phys.Rev. B, v.73, (2005) 134420 S.V. Grigoriev, S.V. Maleyev, A.I. Okorokov, Yu. O. Chetverikov, R. Georgii, P. Böni, D. Lamago, H. Eckerlebe and K. Pranzas  ...
L. Romaka, Yu. Stadnyk, A. Horyn, M.G. Shelyapina, V.S. Kasperovich, D. Fruchart, E.K. Hlil and P. Wolfers J. Alloys Compd. 396 (2005) 64-68 http://dx.doi.org/doi:10.1016/j.jallcom.2004.12.034  ...