Reichardt, W Former Department Information Processing in Insects, Max Planck Institute for Biological Cybernetics, Max Planck Society; Max Planck Institute for Biological Cybernetics, Max Planck Society;
https://link.springer.com/content/pdf/10.1007/BF00205969.pdf (Verlagsversion)
Reichardt, W., & Schlögl, R. (1988). A two dimensional field theory for motion computation: First order approximation; translatory motion of rigid patterns. Biological Cybernetics, 60(1), 23-35. doi:10.1007/BF00205969.
