Smith, Quentin. “Castañeda’s Quasi-Indicators and the Tensed Theory of Time”. Crítica. Revista Hispanoamericana de Filosofía 23, no. 67 (December 13, 2018): 59–73. Accessed April 4, 2025. https://critica.filosoficas.unam.mx/index.php/critica/article/view/795.