Citation: Munoz, A.; Alonso, J.A.; Martinez-Lope, M.J.; Casais, M.T.; Martinez, J.L.; Fernandez-Diaz, M.T. (2001). Evolution of the magnetic structure of hexagonal Ho Mn O3 from neutron powder diffraction data. Chemistry of Materials (1,1989-), 13, pp. 1497-1505.