| 标题 |
The impact of patents and standards on macroeconomic growth: a panel approach covering four countries and 12 sectors |
| 网址 | |
| DOI | |
| 其它 |
期刊:Journal of Productivity Analysis 作者:Knut Blind; Andre Jungmittag 出版日期:2007-07-28 |
| 求助人 | |
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(2025-6-4)