中国科学院数学与系统科学研究院期刊网
GROUP CONTINGENCY TEST FOR  TWO OR SEVERAL INDEPENDENT SAMPLES
Hexin ZHANG, Xiangzhong FANG, Xiaojing MA
Journal of Systems Science and Complexity . 2011, (6): 1183 -1192 .  DOI: 10.1007/s11424-011-9211-0