A subregular model for calculating the mixing enthalpies in 10 binary IIB-IIIB alloy systems Bangwei Zhang, Shuzhi Liao, Haowen Xie, Xiaojian Yuan and Xiaolin Shu EPL, 89 5 (2010) 56002 Published online: 29 March 2010 DOI: 10.1209/0295-5075/89/56002