【作者(必填)】Moreno, Rosina；Paci, Raffaele；Usai, Stefano

【文题(必填)】Spatial Spillovers and Innovation Activity in European Regions        

【年份(必填)】2005, 37(10): 1793-1812
【全文链接或数据库名称(选填)】http://journals.sagepub.com/doi/abs/10.1068/a37341