Thornton, IM Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society; Max Planck Institute for Biological Cybernetics, Max Planck Society;
https://www.yumpu.com/en/document/read/6762565/ava2001-21-march-2001-college-of-optometrists-london-the-ava (Abstract)
Thornton, I., & Horowitz, T. (2001). The ghosts of a Christmas target, present, future and past. Vision: Bulletin of the Applied Vision Association, 142, 8.