Lacreu, Hector L. “Epistemological Reflections on the Change of the Genetic Model for the Calcareous Onyx.”. Revista de la Asociación Geológica Argentina 62, no. 1 (March 30, 2007): 76-85. Accessed May 4, 2024. https://revista.geologica.org.ar/raga/article/view/1157.