Gutiérrez León, Yulieth Fernanda S. J. Park, J. M. Martin, J. F. Guo, J. L. Johnson y R. M. German, «Grain growth behavior of tungsten heavy alloys based on the master sintering curve concept,» Metallurgical and Materials Transactions A, vol. 37, p. 3337, 2006..
,
2019
Mongua Niño, Santiago José Guo, C.; Sedgwick, A. C.; Hirao, T.; Sessler, J. L. Supramolecular Fluorescent Sensors: An Historical Overview and Update. Coord Chem Rev 2021, 427, 213560. https://doi.org/https://doi.org/10.1016/j.ccr.2020.213560..
,
2023
Guo, Jia Agencia Nacional de Minería, «. (2018). Obtenido de http://mineriaencolombia.anm.gov.co/images/MINERALES2017/ficha_esmeraldas_es_FIN AL___.pdf.
,
2023