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Griliches Z. (1979) "Issues in Assessing the Contribution of Research and Development to Productivity Growth." Bell Journal of Economics 10(1): 92–116.  

Jones C. and Williams J. (1998) "Measuring the Social Return to R&D." Quarterly Journal of Economics 113(4): 1119–1135.

Hall B., Jaffe A., and Trajtenberg M. (2001) “The NBER Patent Citation Data File: Lessons, Insights and Methodological Tools.” NBER Working Paper Series: w8498.