1. Temporal and spatial summation in human vision at different background intensities;Barlow;Journal of Physiology,1958
2. Possible principles underlying the transformations of sensory messages;Barlow,1961
3. Aspects of visual contrast perception;Bijl,1991
4. Quantum fluctuations in vision;Bouman,1985
5. The Fourier transform and its applications;Bracewell,1978