Colour Vision Deficiencies X: Proceedings of the tenth Symposium of the International Research Group on Colour Vision Deficiencies, held in Cagliari, Italy 25–28 June 1989 1991 · ENGLISH · PDF View details →
Colour Vision Deficiencies XII: Proceedings of the twelfth Symposium of the International Research Group on Colour Vision Deficiencies, held in Tübingen, Germany July 18–22, 1993 1995 · ENGLISH · PDF View details →
