Logothetis, NK Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Schiller, P., Logothetis, N., & Charles, E. (1991). Parallel pathways in the visual system: Their role in perception at isoluminance. Neuropsychologia, 29(6), 433-441. doi:10.1016/0028-3932(91)90003-Q.