[1] Greschner, M., Heitman, A. K., Field, G. D., Li, P. H., Ahn, D., Sher, A., Litke, A. M., and Chichilnisky, E. J., “Identification of a Retinal Circuit for Recurrent Suppression Using Indirect Electrical Imaging”, Current biology : CB, vol. 26, no. 15. pp. 1935-1942, Aug.-2016.