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中国农学通报
北京延庆森林资源现状及可持续发展对策
赵双荣,李国雷,张可栋
Status and Sustainable Developmental Countermeasures of the Forest Resources in Yanqing County
Zhao Shuangrong, Li Guolei, Zhang Kedong
中国农学通报 . 2007, (2): 162 -162 .  DOI: 10.11924/j.issn.1000-6850.0702162