Sánchez-Beristain, Francisco, Alejandro Paredes-Arriaga, María Fernanda Martínez-Velarde, y Shendel Badillo-Avilés. «Philosophical and Scientific Implications of Astrobiology and Palaeontology in the Light of Hypothesising the Existence of Intelligent Pre-Human Civilisations on Earth: Empiricist, Rationalist, and Positivist Approaches». Paleontología Mexicana 12, no. 1 (enero 31, 2023): 43–52. Accedido abril 14, 2025. https://paleontologiamexicana.geologia.unam.mx/index.php/paleontologia/article/view/86.