1. The behaviour of the pupil during dark adaptation;Alpern;J. Physiol., Lond.,1962
2. A retinal acuity direction effect;Campbell;J. Physiol., Lond.,1958
3. Optical and retinal factors affecting visual resolution;Campbell;J. Physiol., Lond.,1965
4. Effect of size of pupil on visual acuity;Campbell;Nature, Lond.,1960
5. Application of Fourier analysis to the visibility of gratings;Campbell;J. Physiol., Lond,1968