Search for: [References = "Zalasiewicz, J., Waters, C.N., Williams, M., Barnosky, A.D., Cearreta, A., Crutzen, P., … Haff, P.K. \(2015\). When did the Anthropocene begin\? A mid\-twentieth century boundary level is stratigraphically optimal. Quaternary International, 383, 196\-203. http\:\/\/dx.doi.org\/10.1016\/j.quaint.2014.11.045"]

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