"Productividad industrial EE. UU. Congresos." . . "Recherche industrielle États-Unis Congrès." . . "Recherche industrielle Etats-Unis congrès." . . . "Conference papers and proceedings"@en . "Conference papers and proceedings" . "R and D, patents, and productivity" . . . . . . . . . . "R and & D, patents, and productivity" . . . . "R & D, patents, and productivity : Papers presented at a conference, Lenox, Mass. 1981" . . . . . . . . . . . . . "Kongreß" . . . . . . . . . . . . . . . . . . . . . . . . . . "R & D, patents and productivity : papers presented at a conference held in lenox, Mass., in... 1981" . . "Rand [and] patents and productivity" . . . . . . . . . . . . . "R [and] D [Research and development], patents, and productivity : Revised versions of papers pres. at a Conference and additional related papers" . "\"\"An essential reference for specialists in the economics of technological change.\"\"--D.G. McFertridge, Canadian Journal of Economics."@en . . . . . . . . . . . . . . . . . "R & D, Patents and Productivity"@en . "Electronic resource"@en . "Kongress" . . "R & D patents and productivity" . . . . . . . . "R & [and] D, patents, and productivity : [papers presented at a conference held in Lenox, Mass., in the fall of 1981, and organized by the National Bureau of Economic Research]" . "R and D, patents, and productivity" . "R and D, patents, and productivity"@en . . "Electronic books" . "\"An essential reference for specialists in the economics of technological change.\"--D. G. McFertridge, Canadian Journal of Economics." . "Electronic books"@en . . "R & D, patents, and productivity" . . "R&D, Patents and Productivity" . . "R & D, patents, and productivity"@en . . . . "Livres électroniques" . . "R [and] D, Patents, and Productivity : [papers presented at a conference held in Lenox, Mass., in the fall of 1981, and organized by the National Bureau of Economic Research]" . . . . . . "R & D, patents, and productivity : Conference : Papers"@en . . . "Lenox (Mass., 1984)" . . . "Research, Industrial United States Congresses." . . "National Bureau of Economic Research. Productivity and Technical Change Studies Program." . . . . "Production." . . "Brevets d'invention États-Unis Congrès." . . "Patents Estats Units d'Amèrica Congressos." . . "Verenigde Staten van Amerika" . . "Research, Industrial" . . "Research, Industrial." . "Productivitat." . . "Produktivität." . . "TECHNOLOGY & ENGINEERING Industrial Technology." . . "Forschung und Entwicklung." . . "National bureau of economic research (Stati Uniti d'America)" . . "United States" . . "Industrie Forschung und Entwicklung USA." . . "Gestion d'entreprise Recherche." . . "Productivity and Technical Change Studies Program, National Bureau of Economic Research (NBER)" . . "Industria." . . "Patent USA." . . "Patentschutz." . . "Productivité États-Unis Congrès." . . "National Bureau of Economic Research" . . "National Bureau of Economic Research." . "Industrieforschung." . . "Produktivität USA." . . "Conference on R [and] D, Patents, and Productivity (1981 : Lenox)" . . . "Patentes de invención EE. UU. Congresos." . . "Gestion d'entreprise." . . "USA. Congress." . . "Industrial productivity" . . "Industrial productivity." . "Patent." . . "Indústria Productivitat Estats Units d'Amèrica Congressos." . . "Patents d'invenció." . . "brevet d'invention productivité recherche industrielle Etats-Unis [congrès]" . . "Industrie." . . "R & D, patents, and productivity (1981 : Lenox, MA)" . . . "Patents United States Congresses." . . "Patentes." . . "USA." . . "National Bureau of Economic Research (Estados Unidos)" . . "brevet d'invention productivité recherche industrielle Etats-Unis." . . "Recerca industrial." . . "Patents" . . "Patents." . "Estats Units d'Amèrica." . . "Patentes de invención Estados Unidos Congresos." . . "Kongress." . . "Conference on R and D Research and Development, Patents, and Productivity (1981. : Lenox/Mass.)" . . . "Industrial productivity United States Congresses." . . "Brevets di̕nvention Etats-Unis congrès." . . "Entreprises productivité Etats-Unis congrès." . . "Investigación industrial Estados Unidos Congresos." . . "National Bureau of Economic Research (USA). Conference" . .