1. Movement detection thresholds and stimulus duration;Cohen;Percept, Psychophys.,1972
2. The staircase method in psychophysics;Cornsweet;Am. J. Psychol.,1962
3. The effect of the exposure time upon the R.L. of visible motion;Dimmick;J. exp. Physiol.,1930
4. The relation between the thresholds of form, motion and displacement in parafoveal and peripheral vision at a scotopic level of illumination;Gordon;Am. J. Physiol.,1947
5. Perception of movement;Graham,1965