Sparks, R. Stephen J.; Cashman, Katharine V. (2017). «Dynamic Magma Systems: Implications for Forecasting Volcanic Activity». Elements13 (1): 35-40. ISSN1811-5209. doi:10.2113/gselements.13.1.35.
Sparks, R. Stephen J.; Cashman, Katharine V. (2017). «Dynamic Magma Systems: Implications for Forecasting Volcanic Activity». Elements13 (1): 35-40. ISSN1811-5209. doi:10.2113/gselements.13.1.35.