T. E. O. Ericson, B. Loiseau, A. W. Thomas. Precision determination of the $\piN$ scattering lengths and the charged $\piNN$ coupling constant.
International Conference on Particles and Nuclei 15 PANIC'99, Jun 1999, Uppsala, Sweden. pp.541-544,
⟨10.1016/S0375-9474(99)00651-X⟩.
⟨in2p3-00195705⟩