Scanning and Energy Dispersive EXAFS Studies of Nickel Alkene Oligomerisation Catalysts J.M. Corker, A.J. Dent, J. Evans, M. Hagelstein et V.L. Kambhampati J. Phys. IV France, 7 C2 (1997) C2-879-C2-881 DOI: 10.1051/jp4:1997264