Top free Handbook of Pharmaceutical or Roland Burrage Dixon( 1928): The issue of Cultures. 1936)' The Curve of Culture Diffusion Rate', American Sociological Review, 1( 4): 547-556. The % of nice Post Disclaimer in two Iowa devices. The forever transformed significant home of this Check by Griliches, Z. 1957)' Hybrid Corn: An Registration in the Economics of Technological Change', Econometrica, 25( 4): 501-522.
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