Investigation of localization in using hyperfine interaction N. Gauss, A. G. M. Jansen, M. H. Julien, Y. Fagot-Revurat, M. Horvatić and P. Wyder Europhys. Lett., 49 1 (2000) 75-80 Published online: 01 September 2002 DOI: 10.1209/epl/i2000-00499-9