共 13 条
- [11] The relation between technology import and domestic R&D[J] . Jong Bum Kim,Charles T. Stewart.The Journal of Technology Transfer . 1993 (3)
- [12] Patent Statistics as Economic Indicators: A Survey[J] . Zvi Griliches.Journal of Economic Literature . 1990 (4)
- [13] A Theory of Production[J] . Charles W. Cobb,Paul H. Douglas.The American Economic Review . 1928 (1)