Vázquez Bautista, Geraldine, M. Zapata Torres, F. Chalé-Lara, M. Meléndez Lira, E. Hernández Rodríguez, and Enrique Valaguez Velázquez. 2021. “Is Sulfur the Responsible for Color of Yellow Chiapas Amber?”. Superficies Y Vacío 34 (December):211201. https://doi.org/10.47566/2021_syv34_1-211201.