R. G. Roberts, The Structure of the Proton, 1990.
DOI : 10.1017/CBO9780511564062

V. D. Burkert, Leptonic production of baryon resonances " , Lectures presented at the Advanced Summer Study, 1993.

D. Drechsel and L. Tiator, Threshold pion photoproduction on nucleons, Journal of Physics G: Nuclear and Particle Physics, vol.18, issue.3, p.449, 1992.
DOI : 10.1088/0954-3899/18/3/004

I. G. Aznauryan and S. G. Stepanyan, within the dispersion relation approach, Physical Review D, vol.59, issue.5, p.54009, 1999.
DOI : 10.1103/PhysRevD.59.054009

S. Capstick and G. Karl, with relativized quark-model wave functions, Physical Review D, vol.41, issue.9, p.2767, 1990.
DOI : 10.1103/PhysRevD.41.2767

G. Kälbermann and J. M. Eisenberg, region and chiral bag models, Physical Review D, vol.28, issue.1, p.71, 1983.
DOI : 10.1103/PhysRevD.28.71

C. Particle-data-groupe and . Caso, Review of Particle Physics, The European Physical Journal C, vol.25, issue.1-4, pp.1-794, 1998.
DOI : 10.1007/s10052-998-0104-x

V. V. Burov, A. V. Molochkov, and G. I. Smirnov, ) (1999) 1337; English translation, Particles and Nuclei, vol.30, issue.579, 1999.

S. Capstick and B. D. Keister, Baryon current matrix elements in a light-front framework, Physical Review D, vol.51, issue.7, p.3598, 1995.
DOI : 10.1103/PhysRevD.51.3598