Extension of the Weinberg algebraic relations for pion processes W. M. KloetA. H. Zimerman OriginalPaper 20 January 2016 Pages: 619 - 621
Duality and fixed poles in pion photoproduction I. BenderH. J. RotheV. F. Müller OriginalPaper 20 January 2016 Pages: 625 - 629