1. The retinex theory of colour vision;Land;Proc. Roy. Inst. GB,1974
2. Hemianopic colour blindness;Albert;J. Neurol. Neurosurg. Psychiatry,1975
3. Electrophysiological studies of colour processing in human visual cortex;Allison;Electroencephalogr. Clin. Neurophysiol.,1993
4. The cortical site for the ratio-taking operations of the colour system;Bartels;Soc. Neurosci. Abstract.,1998a