A Digital Method for Detecting Rat Hole in Grassland of Northeastern China
LEI Ling1, LI Wen-hui1, LI Hui-ying1, ZHANG Zhong-hui2, ZHANG Xiao-jun2, XIE Pen
. 2010, (2): 93 -97 .  DOI: 10.3969/j.issn.1008-0864.2010.02.17

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