G. Höhler
John F. Donoghue
K. Grotz
David Cline
Florian Scheck
International School of Intermediate Energy Nuclear Physics (1981 Verona, Italy)
Geoffrey F. Chew
David Bailin
Chris Quigg
Ray Jayawardhana
Richard Phillips Feynman
L. B. Okunʹ
A. S. Iljinov
L. B. Okun'
Robert Eugene Marshak
Maurice Levy
K. H. Althoff
Stefan Roth
European Symposium on Antinucleon-Nucleon Interactions Stockholm 1976.
NATO Advanced Study Institute (1972 Erice, Italy)