Zanker, JM Max Planck Institute for Biological Cybernetics, Max Planck Society; Former Department Structure and Function of Natural Nerve-Net , Max Planck Institute for Biological Cybernetics, Max Planck Society;
http://journals.sagepub.com/doi/10.1068/p270167 (Publisher version)
Zanker, J. (1998). Limiting factors for the detection of orientation. Perception, 27(2), 167-181. doi:10.1068/p270167.