Hoblitt, Richard P. (2000). "Was the 18 May 1980 lateral blast at Mt St Helens the product of two explosions?". Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences. 358 (1770): 1639–1661. Bibcode:2000RSPTA.358.1639H. doi:10.1098/rsta.2000.0608. S2CID92549298.
Woods, Andrew W. (1993). "Moist convection and the injection of volcanic ash into the atmosphere". Journal of Geophysical Research: Solid Earth. 98 (B10): 17627–17636. Bibcode:1993JGR....9817627W. doi:10.1029/93JB00718.
Houghton, Bruce; White, James D.L.; Van Eaton, Alexa R. (2015), "Phreatomagmatic and Related Eruption Styles", The Encyclopedia of Volcanoes, Elsevier, pp. 537–552, doi:10.1016/B978-0-12-385938-9.00030-4, ISBN9780123859389
Hoblitt, Richard P. (2000). "Was the 18 May 1980 lateral blast at Mt St Helens the product of two explosions?". Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences. 358 (1770): 1639–1661. Bibcode:2000RSPTA.358.1639H. doi:10.1098/rsta.2000.0608. S2CID92549298.
Woods, Andrew W. (1993). "Moist convection and the injection of volcanic ash into the atmosphere". Journal of Geophysical Research: Solid Earth. 98 (B10): 17627–17636. Bibcode:1993JGR....9817627W. doi:10.1029/93JB00718.
Hoblitt, Richard P. (2000). "Was the 18 May 1980 lateral blast at Mt St Helens the product of two explosions?". Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences. 358 (1770): 1639–1661. Bibcode:2000RSPTA.358.1639H. doi:10.1098/rsta.2000.0608. S2CID92549298.