"Sources, Appropriability, and Directions of Technological Change: The Cases of the United States and Italy"
【作 者】Heimler,Alberto;Malerba,Franco;Peretto,Pietro
【刊 名】Banca Nazionale del Lavoro Quarterly Review
【出版日期】1993
【期 号】No.185
【页 *】225-242
【链接地址】http://eng.zjutil.5read.com/view ... ed+States+and+Italy
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