1. Genetic aspects of foveal red-green ratios in colour blindness;Adam,1969
2. alsoHarefuah76, 398–401.
3. The luminosity curve of the protanomalous fovea;Alpern;J. gen. Physiol.,1968
4. The luminosity curve of deuteranomalous fovea;Alpern;J. gen. Physiol.,1968
5. An analytical anomaloscope;Baker;J. Physiol., Lond.,1963