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The analysis for the pine bark scale ,Matsucoccus matsumurae (Kuwana) invasion and spread possible in the Northeast China
Wang Zhiming, Du Jisheng, Zhang Lijun, Zhong Xiaowei, Pi Zhongqing
Chinese Agricultural Science Bulletin . 2009, (10): 107 -111 .  DOI: 10.11924/j.issn.1000-6850.2008-0088