García-Pérez MA. (2004). A nonlinear model of the behavior of simple cells in visual cortex. Journal of computational neuroscience. 17 [PubMed]
Simon JZ, Depireux DA, Klein DJ, Fritz JB, Shamma SA. (2007). Temporal symmetry in primary auditory cortex: implications for cortical connectivity. Neural computation. 19 [PubMed]