IDENTIFYING VALENCE STRUCTURE IN LIFEAS AND NAFEAS WITH CORE-LEVEL SPECTROSCOPY Статья Kurmaev E.Z., Skorikov N.A., Finkelstein L.D., Izyumov Y.A., McLeod J.A., Moewes A., Clarke S. Journal of Physics Condensed Matter. Том 21. 2009. 345701 с.
