Istomin, S Ya An unusual high-spin ground state of Co3+ in octahedral coordination in brownmillerite-type cobalt oxide. [electronic resource] - Dalton transactions (Cambridge, England : 2003) Jun 2015 - 10708-13 p. digital Publication Type: Journal Article ISSN: 1477-9234 Standard No.: 10.1039/c4dt03670k doi