ENERGY MIGRATION IN EU3+ COMPOUNDS ; ITS DEPENDENCE ON DIMENSIONALITY AND EU3+-EU3+ DISTANCE P.A.M. Berdowski, M. Buijs et G. Blasse J. Phys. Colloques, 46 C7 (1985) C7-31-C7-34 DOI: 10.1051/jphyscol:1985706