Thermodynamic properties of an alternating-spin (1/2,1) two-leg ladder X. Y. Chen, Q. Jiang and W. Z. Shen Eur. Phys. J. B, 37 2 (2004) 169-175 Published online: 15 March 2004 DOI: 10.1140/epjb/e2004-00043-y