Superconductivity in the doped “pseudo-ladder” compound CaCu2O3 N. M. Plakida, A. Vladimirov and S.-L. Drechsler Eur. Phys. J. B, 35 4 (2003) 475-480 Published online: 24 October 2003 DOI: 10.1140/epjb/e2003-00300-7