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Daniel Jiménez; James Cock; Héctor F. Satizábal; Miguel A. Barreto S; Andrés Pérez-Uribe; Andy Jarvis; Patrick Van Damme. (2009). Analysis of Andean blackberry (Rubus glaucus) production models obtained by means of artificial neural networks exploiting information collected by small-scale growers in Colombia and publicly available meteorological data. , 69(2), 198–208. doi:10.1016/j.compag.2009.08.008 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research