【作者(必填)】Stav Rosenzweig andDavid Mazursky

【文题(必填)】Constraints of Internally and Externally Derived Knowledge and the Innovativeness of Technological Output: The Case of the United States

【年份(必填)】2013

【全文链接或数据库名称(选填)】http://onlinelibrary.wiley.com/d ... BBD3FAC2229A.f04t01