גרסה חדשה זמינה
Firestone et al.'s principal Proceedings of the National Academy of Sciences article on the Younger Dryas cosmic-impact hypothesis.
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Cited 2 times
Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling
Richard B. Firestone, et al. · 2007