López-Morales, G., Espinosa-Luna, R., Frausto-Re, C. and es. (2014) “Optical characterization of amber of Chiapas”, Revista Mexicana de Física, 60(3 May-Jun), pp. 217–0. Available at: https://rmf.smf.mx/ojs/index.php/rmf/article/view/4078 (Accessed: 5 May 2024).