| Mechanisms of Colour Discrimination : Proceedings of an International Symposium on the Fundamental Mechanisms of the Chromatic Discrimination in Animals and Man Held in Paris at the Collège de France, 25-29 July 1958 |
| Mechanisms of Colour Discrimination : Proceedings of an International Symposium on the Fundamental Mechanisms of the Chromatic Discrimination in Animals and Man Held in Paris at the Collège de France, 25-29 July 1958 |