1. Spectral thresholds in the starling;Adler;Journal of Comparative & Physiological Psychology,1959
2. The physical background of perception;Adrian,1947
3. Spectral sensitivity of simultaneous electroretinograms and occipital responses;Armington,1966
4. Comparison of spectral sensitivity at the eye and optic tectum of the chicken;Armington;American Journal of Ophthalmology,1958
5. Change of organisation in the receptive fields of the cat's retina during dark adaptation;Barlow;Journal of Physiology,1957