[1] Miguel González, “Omar Rayo,” in Geometric Abstraction in Latin America (Bogotá: ArtNexus, 2013), 180.
[2] Hollman Morales, “El Ojo Nómada,” in Rayo: El Ojo Nomáda (Cali, Colombia: Impresora Feriva S.A, 2007), 32.
[3] González, “Omar Rayo,”176.
[4] Ibid.
[5] Ibid.
[6] Miguel González, Omar Rayo: Geometría Vibrante, exh. cat. (Bogotá: Museo Nacional de Colombia, 2015), 10.
[7] González, “Omar Rayo,” 177.
[8] Morales, “El Ojo Nomáda,” 68.
[9] González, “Omar Rayo,” 178.
[10] Ibid., 179.
[11] Omar Rayo, El Espectador