Created by W.Langdon from gp-bibliography.bib Revision:1.8592
http://www.sciencedirect.com/science/article/pii/S1878029612002538",
doi:10.1016/j.proenv.2012.01.252",
North China University of Water Resources and Electric Power, Zhengzhou 450011, China",
Genetic Programming entries for He Ji Wang Songlin Wu Qinglin Chen Xiaonan