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APA Citation
Nina, L., Paula-Santos, G., Sial, A., Bark, G., Wanhainen, C., Jiménez, G., & Blanco, M. (2020). anoxic oceanic conditions during the late Permian mass extinction-evidence from the Chutani formation, Bolivia. Journal of South American earth sciences, 103, . http://access.bl.uk/ark:/81055/vdc_100109907045.0x000030