He Bin et al 2007. Age and duration of the Emeishan flood volcanism, SW China: geochemistry and SHRIMP zirconU-Pb dating of silicic ignimbrites, post-volcanic Xuanwei Formation and clay tuff at the Chaotian section. Earth and Planetary Science Letters, 255, 306–323, 2007 (Summary)
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Shu-zhong Shen et al 2011. Calibrating the end-Permian mass extinction. Science, DOI:10.1126/science.1213454, 2011 (Summary)
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He Bin et al 2007. Age and duration of the Emeishan flood volcanism, SW China: geochemistry and SHRIMP zirconU-Pb dating of silicic ignimbrites, post-volcanic Xuanwei Formation and clay tuff at the Chaotian section. Earth and Planetary Science Letters, 255, 306–323, 2007 (Summary)