XAS-Investigations of Colloidal Precursors for Pt/Rh Bimetallic Catalysts J. Rothe, G. Köhl, J. Hormes, H. Bönnemann, W. Brijoux et K. Siepen J. Phys. IV France, 7 C2 (1997) C2-959-C2-960 DOI: 10.1051/jp4:19972101