C.P. Dionisi, G.R. Armenteros, M.J. Losty, P.F. Loverre, M. Mazzucato, et al.. E. meson observation in $\pi^-p$ interactions at 3.95 GeV/c.
International Conference On High Energy Physics 20, Jul 1980, Madison, United States. pp.8-10.
⟨in2p3-00009081⟩