Influence of the crystallite size on the phase transformation of yttria irradiated with swift heavy ionsS. Hémon, A. Berthelot, Ch. Dufour, F. Gourbilleau, E. Dooryhée, S. Bégin-Colin and E. PaumierEur. Phys. J. B, 19 4 (2001) 517-523DOI: https://doi.org/10.1007/PL00011090