Thermodynamic properties of the spin-1/2 antiferromagnetic ladder Cu2(C2H12N2)2Cl4 under magnetic field R. Calemczuk, J. Riera, D. Poilblanc, J.-P. Boucher, G. Chaboussant, L. Lévy and O. Piovesana Eur. Phys. J. B, 7 2 (1999) 171-174 Published online: 15 January 1999 DOI: 10.1007/s100510050600