Londoño-Montes, C.S. et al. 2017. Development of a refractory mold based on chamotte/plaster for jewelry micro-casting with pre-set emeralds. Revista Facultad de Ingeniería. 26, 45 (Apr. 2017), 121–135. DOI:https://doi.org/10.19053/01211129.v26.n45.2017.6421.