[1] Freeman, J., Field, G. D., Li, P. H., Greschner, M., Gunning, D. E., Mathieson, K., Sher, A., Litke, A. M., Paninski, L., Simoncelli, E. P., and Chichilnisky, E. J., “Mapping nonlinear receptive field structure in primate retina at single cone resolution”, eLife, vol. 4. 2015.