R.P. Schmitt, G. Bizard, G.J. Wozniak, L.G. Moretto. Evidence for energy thermalization in deep-inelastic processes: $^{63}$Cu + $^{20}$Ne at 7.9, 12.6 and 17.2 MeV/nucleon.
Physical Review Letters, American Physical Society, 1978, 41, pp.1152-1155.
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