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The rise of fire: Fossil charcoal in late Devonian marine shales as an indicator of expanding terrestrial ecosystems, fire, and atmospheric change
Susan M. Rimmer, Sarah J. Hawkins, Andrew C. Scott and Walter L. Cressler

American Journal of Science October 2015, 315 (8) 713-733; DOI: https://doi.org/10.2475/08.2015.01