文章摘要
Forest health assessment in Shisanling forest farm of Beijing
  
DOI：10.3969/j.issn.1004-874X.2012.08.072
Author NameAffiliation
张文海, 余新晓, 吕锡芝, 高志亮 北京林业大学水土保持与荒漠化防治教育部重点实验室,北京,100083 
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