HIGH-PRESSURE MÖSSBAUER SPECTROSCOPY ON EUROPIUM INTERMETALLIC COMPOUNDS WITH INTERMEDIATE VALENCIES J. MOSER, U. F. KLEIN, G. WORTMANN et G. M. KALVIUS J. Phys. Colloques, 37 C6 (1976) C6-421 DOI: 10.1051/jphyscol:1976683