Physicochemical or geochemical

• Trejos, E. M., Silva, L. F., Hower, J. C., Flores, E. M., González, C. M., Pachón, J. E., Aristizábal, B. H., (2021), Volcanic emissions and atmospheric pollution: A study of nanoparticles., Geoscience Frontiers, 12(2), 746-755, 10.1016/j.gsf.2020.08.013