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Gao, Chaochao; Ludlow, Francis; Matthews, John A.; Stine, Alexander R.; Robock, Alan; Pan, Yuqing; Breen, Richard; Nolan, Brianán; Sigl, Michael (2021). Volcanic climate impacts can act as ultimate and proximate causes of Chinese dynastic collapse. Communications earth & environment, 2(1) Springer Nature 10.1038/s43247-021-00284-7
McConnell, Joseph R.; Sigl, Michael; Plunkett, Gill; Wilson, Andrew I.; Manning, Joseph G.; Ludlow, Francis; Chellman, Nathan J. (2020). Reply to Strunz and Braeckel: Agricultural failures logically link historical events to extreme climate following the 43 BCE Okmok eruption. Proceedings of the National Academy of Sciences of the United States of America - PNAS, 117(51), pp. 32209-32210. National Academy of Sciences NAS 10.1073/pnas.2019906117
