Physicochemical or geochemical

• Cuoco, E., Spagnuolo, A., Balagizi, C., De Francesco, S., Tassi, F., Vaselli, O., Tedesco, D., (2013), Impact of volcanic emissions on rainwater chemistry: The case of Mt. Nyiragongo in the Virunga volcanic region (DRC), Journal of Geochemical Exploration, 125, 69-79, 10.1016/j.gexplo.2012.11.008