N. Stief

Exchange model analysis of the reactions pp → pnπ+ and pp → ppπ+π− at 12 GeV/c

G. Brandenburg, J. Lamsa, H. Fesefeldt, 1973 .

Spin-parity analysis of the B-meson produced in π+p reactions

D. Brown, A. Werbrouck, G. Rinaudo, 1970 .