THE HYPERFINE SPLITTING OF HOLMIUM NEAR AN ENERGY CROSSOVER IN YTTRIUM ETHYLSULPHATE C. Carboni, R. L. Cone, Z.-P. Han et M. A. H. McCauslandJ. Phys. Colloques, 49 C8 (1988) C8-843-C8-844DOI: https://doi.org/10.1051/jphyscol:19888380
