Evidence for two narrow resonances at 2020 MeV and 2200 MeVP. Benkheiri, H. Y. Yoshida, B. Dalmagne et al.|Physics Letters B|1977Cited by 83
Charm search in 19 GeV/c π−p exclusive reactionsB. Ghidini, B. Gandois, F. Navach et al.|Nuclear Physics B|1976Cited by 5