Pieter Maris Maris, P., & Lee, D. (2003). Chiral symmetry breaking in (2+1) dimensional QED. Nuclear Physics. B, Proceedings, Supplements, 119(2003 May), 784–786. https://doi.org/10.1016/S0920-5632(03)01683-9 Maris, P., & Roberts, C. D. (2003). Dyson-Schwinger equations: A tool for hadron physics. International Journal of Modern Physics. E, Nuclear Physics, 12(3), 297–365. https://doi.org/10.1142/S0218301303001326 Maris, P., Raya, A., Roberts, C. D., & Schmidt, S. M. (2003). Facets of confinement and dynamical chiral symmetry breaking. European Physical Journal. A, Hadrons and Nuclei, 18(2-3), 231–235. Cotanch, S. R., & Maris, P. (2003). Ladder Dyson-Schwinger calculation of the anomalous gamma-3 pi form factor. Physical Review. D, Particles and Fields, 68(3). https://doi.org/10.1103/physrevd.68.036006 Lee, D., & Maris, P. (2003). Massless three-dimensional Qed with explicit fermions. Physical Review. D, Particles and Fields, 67(7), 076002–076001. Jarecke, D., Maris, P., & Tandy, P. C. (2003). Strong decays of light vector mesons. Physical Review. C, Nuclear Physics, 67(3), 035202–035201. Bicudo, P., Cotanch, S., Llanes-Estrada, F., Maris, P., Ribeiro, E., & Szczepaniak, A. (2002). Chirally symmetric quark description of low energy pi-pi scattering. Physical Review. D, Particles and Fields, 65(7), 076008–076001. https://doi.org/10.1103/physrevd.65.076008 Maris, P. (2002). Effective masses of diquarks. Few-Body Systems, 32(1-2), 41–52. https://doi.org/10.1007/s00601-002-0111-7 Maris, P., & Tandy, P. C. (2002). Electromagnetic transition form factors of light mesons. Physical Review. C, Nuclear Physics, 65(4), 045211–045211. Cotanch, S. R., & Maris, P. (2002). QCD based quark description of pi-pi scattering up to the sigma and rho regions. Physical Review. D, Particles and Fields, 66(11), 116010–116011. https://doi.org/10.1103/physrevd.66.116010