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中文
Normative Research of Pollination by Osmia Cornifrons on Apple in the Weibei-loess Plateau
马志峰 郭民主 王荣花 王智民
Chinese Agricultural Science Bulletin . 2012, (
10
): 259 -262 . DOI: 10.11924/j.issn.1000-6850.2012-0040
