1. Das, S.R. (1953). Binocular Color Mixture. Thesis. University of Illinois. De Weert, C.M.M. and Levelt, W.J.M. (1976). Comparison of normal and dichoptic colour mixing. Vision Res. 16: 59–70.
2. Dunlap, K. (1944). Alleged binocular color mixing. Am. J. Psychol. 57: 559–563.
3. Mattiello, M. and Salinas, H. (1992). Actas de la Tercera Reunion Nacional de Optica: 531–532. Barcelona.
4. Ronchi, L. (1992). Visual responses in the short-wavelength range. A bibliographical review. ATTI della Fondazione Giorgio Ronchi XLVII, no. 6.
5. Wright, W.D. (1946). Researches on Normal and Defective Colour Vision. Henry Kimpton, London.