Rodríguez, M. T., S. J. García, J. J. Gracenea, K. A. Habib, and J. J. Suay. “Influence of the Pigment Volume Concentration (PVC) on the Properties of an Epoxy Primer”. Revista De Metalurgia, vol. 41, no. Extra, Dec. 2005, pp. 202-7, doi:10.3989/revmetalm.2005.v41.iExtra.1025.