The updated version of the Chinese Evaluated Nuclear Data Library (CENDL-3.1) and China nuclear data evaluation activities Ge Zhigang, Yu Hongwei, Zhuang Youxiang, Liu Tingjin, Zhang Jingshang, Liu Ping, Huang Xiaolong, Zhao Zhixiang and Xia HaihongInternational Conference on Nuclear Data for Science and Technology, (2007) 753-757DOI: https://doi.org/10.1051/ndata:07570