Locke, Corinne A.; John Cassidy (1997). "Egmont Volcano, New Zealand: three-dimensional structure and its implications for evolution". Journal of Volcanology and Geothermal Research. 76 (1–2): 149–161. Bibcode:1997JVGR...76..149L. doi:10.1016/S0377-0273(96)00074-1.
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Locke, Corinne A.; John Cassidy (1997). "Egmont Volcano, New Zealand: three-dimensional structure and its implications for evolution". Journal of Volcanology and Geothermal Research. 76 (1–2): 149–161. Bibcode:1997JVGR...76..149L. doi:10.1016/S0377-0273(96)00074-1.