MAGNETIC FIELD DEPENDENCE OF THE CYCLOTRON MASS IN THE KONDO LATTICE CeB6 W. JOSS, J. M. van Ruitenbeek, G. W. Crabtree, J. L. Tholence, A. P. J. van Deursen and Z. Fisk J. Phys. Colloques, 49 C8 (1988) C8-747-C8-751 DOI: 10.1051/jphyscol:19888338