Figueira, J. N., R. A. Simão, B. G. Soares, and E. F. Lucas. “The Influence of Chemicals on Asphaltenes Precipitation: A Comparison Between Atomic Force Microscopy and Near Infrared Techniques”. Fuentes, El reventón energético, vol. 15, no. 1, June 2017, pp. 7-17, doi:10.18273/revfue.v15n1-2017001.