“Is There any Evidence of Evolution in the Color Distribution of Galaxies from J = 13 TO J = 24 Magnitude?”, RMxAA, vol. 14, no. 1, p. 169, Jan. 1987, Accessed: Dec. 09, 2025. [Online]. Available: https://astronomia.unam.mx/journals/rmxaa/article/view/1987rmxaa..14..169b