Márquez, G., F. J. Alejandre, and M. R. Bencomo. 2006. “Effect of Asphaltene and Resin Oils on the Viscosity of Bituminous Petroleum Materials to Be Used As Asphalt Primers”. Materiales De Construcción 56 (281):41-49. https://doi.org/10.3989/mc.2006.v56.i281.91.