I. R. Moorhead

A self-similar stack model for human and machine vision

G. J. Burton, G. J. Burton, N. D. Haig, 1986, Biological Cybernetics.

Discrimination and detection thresholds: The effect of observer criterion on the spatial properties of chromatic and achromatic mechanisms

I. R. Moorhead, J. E. Saunders, 1982, Vision Research.