EVIDENCE OF VALENCE FLUCTUATIONS IN YTTERBIUM BASED AMORPHOUS ALLOYS D. Malterre, J. Durand, A. Siari, A. Menny, G. Krill et G. MarchalJ. Phys. Colloques, 49 C8 (1988) C8-1361-C8-1362DOI: https://doi.org/10.1051/jphyscol:19888623