EXAFS STUDY OF SOLUBLE DINITROSYL IRON AND COBALT COMPLEXES CATALYSING SPECIFIC TRANSFORMATIONS OF OLEFINS D. BALLIVET-TKATCHENKO, C. ESSELIN et J. GOULON J. Phys. Colloques, 47 C8 (1986) C8-343-C8-346 DOI: 10.1051/jphyscol:1986868