A k-means method partitioning runoff into abundant and low state based on three-dimensional index factors
ZHUANG Chenbin, CHEN Xiaohong, HUANG Weiying, PENG Tao
Ecology and Environment . 2010, (6): 1354 -1357 .  DOI: 10.16258/j.cnki.1674-5906(2010)06-1354-04