共 4 条
- [2] 我国产业间R&D溢出效应横向比较分析[J]. 韩颖,刘星宇,李丽君,孙志敏.预测. 2007(04)
- [4] Intersectoral innovation flows and national technological systems: network analysis for comparing Italy and Germany[J] . R. Leoncini,M.A. Maggioni,S. Montresor.Research Policy . 1996 (3)