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PROBLEMS, PROTECTION AND IMPROVEMENT OF ECOLOGICAL ENVIRONMENT IN XINJIANG
FAN Zi-li, HU Wen-kang, JI Fang, WANG Rang-hui, MA Ying-jie, Ma Yingjun
Arid Land Geography . 2000, (4): 298 -303 .  DOI: 10.13826/j.cnki.cn65-1103/x.2000.04.002