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Pertuz Parra, M. J.; Pino Tarazona, G. C.; León Pabón, J. A.; Pérez Reyes, C. A.; Díaz Prada, C. A. New Models to Predict the Viscosity of Extra-Heavy Oil in Colombian Fields. CT&F Cienc. Tecnol. Futuro 2014, 5, 23-34.