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Journal of Arid Land Resources and Environment
1003-7578
1991 Issue 2
lv zhou de jie wai qu yu gan han qu sheng tai huan jing jian she
huang pei dai
..............
page:38-44
bao hu qi lian shan shui zi yuan , wen ding he xi sheng tai ping heng
liu xing cong
..............
page:45-49
gan su sheng gan han ban gan han di qu jiang shui de yan jiu
tan qi hou
..............
page:50-59
