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Paper read at the IAV International Symposium on Volcanology, scientific session of Nov. 27, 1965.
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Battey, M.H. The « two-magma theory » and the origin of ignimbrites. Bull Volcanol 29, 407–423 (1966). https://doi.org/10.1007/BF02597165
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DOI: https://doi.org/10.1007/BF02597165