A femtosecond laser study of the endohedral fullerenes Li@C60 and La@C82 A. Lassesson, K. Hansen, M. Jönsson, A. Gromov, E. E.B. Campbell, M. Boyle, D. Pop, C. P. Schulz, I. V. Hertel, A. Taninaka and H. Shinohara Eur. Phys. J. D, 34 1-3 (2005) 205-209 Published online: 13 July 2005 DOI: 10.1140/epjd/e2005-00111-0