共 36 条
- [1] [Anonymous], 2008, Compendium of patent statistics
- [2] [Anonymous], HIGH ED BUS COMM INT
- [5] BALDERI C, 2009, YET IT DOES MO UNPUB
- [6] BALDINI N, 2010, ID1632430 SSRN
- [9] Bielig A., 2004, Z WIRTSCHAFTSPOLITIK, V53, P228
- [10] Buenstorf G, 2009, JENA EC RES PAPERS, V2009,068