Molecular fusion within fullerene clusters induced by femtosecond laser excitation M. Hedén, M. Kjellberg, A. V. Bulgakov, K. Hansen and E. E.B. Campbell Eur. Phys. J. D, 43 1-3 (2007) 255-259 Published online: 24 May 2007 DOI: 10.1140/epjd/e2007-00121-x