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THE PRINCIPAL COMPONENT ANALYSIS OF THE RIVER IN JILIN PROVINCE
Yang Binggeng, Liu Changhuan, Zai Yaozong, Li Huiming, Wang Jun, Shang Jincheng, Ji Yongming
SCIENTIA GEOGRAPHICA SINICA . 1986, (3): 261 -268 .  DOI: 10.13249/j.cnki.sgs.1986.03.261