The measurement of undesirable output based-on DEA in E&E: Models development and empirical analysis. - Wendong Lv; Zhixiang Zhou; Hong Huang (Math. Comput. Model., 2013)

Chinese regional energy efficiency change and its determinants analysis: Malmquist index and Tobit model. - Wendong Lv; Xiaoxin Hong; Kuangnan Fang (Ann. Oper. Res., 2015)