Low-energy spin excitations in the molecular magnetic cluster G. Chaboussant, R. Basler, A. Sieber, S. T. Ochsenbein, A. Desmedt, R. E. Lechner, M. T. F. Telling, P. Kögerler, A. Müller and H.-U. GüdelEurophys. Lett., 59 2 (2002) 291-297DOI: https://doi.org/10.1209/epl/i2002-00240-x
