Relativistic mean-field models with medium-dependent meson-nucleon couplings D. Vretenar, G. A. Lalazissis, T. Nikšić and P. Ring Eur. Phys. J. A, 25 3 (2005) 555-556 Published online: 13 May 2005 DOI: 10.1140/epjad/i2005-06-091-3