论文部分内容阅读
Environmental change in Bashang Region historical periods
【机 构】
：
ChineseAcadSci,ResInstEnvironmConservatBeijing
【出 处】
：
环境科学学报：英文版
【发表日期】
：
2001年2期
【基金项目】
：
TheNationalNaturalScienceFoundationofChina(No .49872 0 94andNo .40 0 72 0 97)
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