Quark model with chiral-symmetry breaking and confinement in the Covariant Spectator TheoryElmar P. Biernat, M. T. Peña, J. E. Ribeiro, A. Stadler and F. GrossEPJ Web of Conferences, 113 (2016) 05004DOI: https://doi.org/10.1051/epjconf/201611305004