Studies of ion energy and yield from argon clusters heated by intense femtosecond laser pulsesS. H. Li, C. Wang, J. S. Liu, X. X. Wang, R. X. Li, G. Q. Ni and Z. Z. XuEur. Phys. J. D, 34 1-3 (2005) 215-218DOI: https://doi.org/10.1140/epjd/e2005-00145-2