Study of oxygen-C60 compound formation by NEXAFS and RIXS T. Käämbre, L. Qian, J.-E. Rubensson, J.-H. Guo, C. Såthe, J. Nordgren, J.-P. Palmqvist and U. Jansson Eur. Phys. J. D, 16 1-3 (2001) 357-360 Published online: 15 September 2001 DOI: 10.1007/s100530170129