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RT Book, Whole SR Print DC OPAC T1 Innovation and small firms / Zoltan J. Acs, David B. Audretsch A1 Ács, Zoltán J. A1 Audretsch, David B., 1954- YR 1990 FD c1990 SP x, 212 p. K1 Small business -- United States -- Technological innovations PB MIT Press PP Cambridge, Mass. SN 0262011131 LA English (英語) CL LCC:HD2346.U5 CL DC20:338.6/42 NO Bibliography: p. [185]-205 NO Includes index NO 書誌ID=1000397115; NCID=BA11081212; LK [OPAC]https://www.lib.sophia.ac.jp/opac/opac_link/bibid/1000397115 OL 30