R.C. Fernández-Hernández, R. Gleason-Villagran, C. Torres-Torres, L. Rodríguez-Fernández, A. Crespo-Sosa, J.C. Cheang-Wong, A. López-Suárez, R. Rangel-Rojo, A. Oliver and J.A. Reyes-Esqueda, ‘On the physical contributions to the third-order nonlinear optical response in plasmonic nanocomposites’, Journal of Optics 14, 125203 (10pp)  (2012).  (FI 2.010)