GRILICHES, Zvi, 1991. The Search for R&D Spillovers. Cambridge, Mass.: National Bureau of Economic Research.
Elsevier - Harvard (with titles)Griliches, Z., 1991. The Search for R&D Spillovers, NBER working paper series. National Bureau of Economic Research, Cambridge, Mass. https://doi.org/10.3386/w3768
American Psychological Association 7th editionGriliches, Z. (ca. 1991). The Search for R&D Spillovers [Cd]. In NBER working paper series. National Bureau of Economic Research. https://doi.org/10.3386/w3768
Springer - Basic (author-date)Griliches Z (1991) The Search for R&D Spillovers. National Bureau of Economic Research, Cambridge, Mass
Juristische Zitierweise (Stüber) (Deutsch)Griliches, Zvi, The Search for R&D Spillovers, Cambridge, Mass. 1991.
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