MÖSSBAUER ABSORPTION SPECTRUM OF 151EuCl2 MOLECULES ISOLATED IN AN ARGON MATRIX E. BAGGIO-SAITOVITCH, F. J. LITTERST and H. MICKLITZ J. Phys. Colloques, 37 C6 (1976) C6-529-C6-530 DOI: 10.1051/jphyscol:19766111