Structure and magnetism of homometallic ludwigites: 'CO IND.3''O IND.2'B'O IND.3' versus 'Fe IND.3''O IND.2''BO IND.3' - Freitas, D. C.; Continentino, M. A.; Guimarães, R. B.; Fernandes, J. C.; Ellena, Javier; Ghivelder, L. (Physical Review B, 2008)