57Co MÖSSBAUER EMMISSION SPECTROSCOPY IN COBALT-OCTAETHYLPORPHYRIN H. Sakai, Y. Maeda, H. Ogoshi, H. Sugimoto et Z. Yoshida J. Phys. Colloques, 40 C2 (1979) C2-511-C2-513 DOI: 10.1051/jphyscol:19792179