1. BAHRICK, H., FITTS, P., & RANKIN,R. E. Effects of incentives upon reactions to peripheral stimuli. Journal of Experimental Psychology, 1952, 44, 400–406.
2. BURSILL, A. E. Restriction of peripheral vision during exposure to hot and humid conditions. Quarterly Journal of Experimental Psychology, 1956, 10, 113–129.
3. CAMPBELL, F., & RUSHTON, W. A. H. Measurement of the scotopic pigment in the living human eye. Journal of Physiology, 1965, 130, 135–147.
4. GASSON, A. P., & PETERS, G. S. The effect of concentration upon the apparent size of the visual field in binocular vision. The Optician, Part I, January 1, 1965, 660–663; Part II, January 8, 1965, 5–12.
5. LEIBOWITZ, H. W., & APPELLE, S. The effect of a central task on luminance thresholds for peripherally presented stimuli. Human Factors, 1969, 11, 387–392.