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R & D, patents, and productivity
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|aR & D, patents, and productivity|fed. by Zvi Griliches
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|aChicago|cUniversity of Chicago Press|d1984
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|axi, 512 p|ctables|d24 cm
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|2lc|aIndustr Productivity|yU.S.--Congresses
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|2lc|aPatents|yU.S.--Congresses
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|2lc|aResearch, Industrial|yUnited States
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|aHD30.42
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|aGriliches|bZvi|f1930
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|atw|b台經院|c19960621
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|atw|b台經院|c19960621
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