Braitenberg, V Former Department Structure and Function of Natural Nerve-Net, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Braitenberg, V. (1972). Patterns of projection in the visual system of the fly II: Quantitative aspects of second order neurons in relation to models of movement perception. Experimental Brain Research, 16(2), 184-209. doi:10.1007/BF00233996.