1. The optic flow field: The foundation of vision;Lee;Phil. Trans. R. Soc. London B.,1980
2. 2-D or not 2-D, that is the question;Ramachandran,1995
3. Subjective contours;Kanisza;Scientific American,1976
4. Psychology of nothing;Hearst;American Scientist,1991
5. Stereo acuity and vernier acuity in Macaque monkies;Tang;Invest. Ophthalmol,1995