1Breand an o hUallachain. Patent Places: size matters[J]. Journal of Regional Science, 1999,39 (4) : 613-636.
2Daniel Coronado Guerrero and Manuel Aeosta Sero.Spatial distribution of parents in Spain: Determining factors and consequences on regional development [J],Regional Studies, 2001,31(4) :381-390.
3Breanddn o hUallachain. Patent Places: size matters[J]. Journal of Regional Science, 1999,39(4): 613-636.
4A. B. Jaffe, M. Trajtenberg and R. Henderson. Geographic localization of knowledge spillovers as evidenced by patent citations[J]. The Quarterly Journal of Economics ,1993,63(3): 577 - 598.
5Brian Ceh, Regional innovation potential in the United States: Evidence of spatial transformation[J]. Regional Science, 2001,(80), 297-316.
6Roberta Piergiovanni, Enrico Santarelli. Patents and the geographic localization of R＆D spillovers in French manufacturing[J]. Regional Studies, 2001,35 (8) : 697-702.
7YIFEI SUN. Spatial distribution of patents in China[J]. Regional Science, 2000,34(5).
