【作者(必填)】Matthew A. Andersen1,*, Wenxing Song2

【文题(必填)】The Economic impact of public agricultural research and development in the United States

【年份(必填)】2013

【全文链接或数据库名称(选填)】Wiley InterSciencehttp://onlinelibrary.wiley.com/doi/10.1111/agec.12011/abstract?deniedAccessCustomisedMessage=&userIsAuthenticated=true