Extended Goldstone-boson-exchange constituent-quark model K. Glantschnig, R. Kainhofer, W. Plessas, B. Sengl and R. F. Wagenbrunn Eur. Phys. J. A, 23 3 (2005) 507-515 Published online: 03 January 2005 DOI: 10.1140/epja/i2004-10106-9