Libiao Zhang Xiangli Xu Chunguang Zhou Ming Ma Zhezhou Yu An Improved Differential Evolution Algorithm for Optimization Problems. 233-238 2011 CSISE (1) http://dx.doi.org/10.1007/978-3-642-23777-5_39 conf/csise/2011-1 db/conf/csise/csise2011-1.html#ZhangXZMY11