Second- and fourth-order anisotropy constants near the spin reorientation transition in Co/Ho thin filmsG. Garreau, E. Beaurepaire, M. Farle and J. P. KapplerEurophys. Lett., 39 5 (1997) 557-562DOI: https://doi.org/10.1209/epl/i1997-00393-0
