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michael-r-rampino documents
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Episodes of terrestrial geologic activity during the past 260 million years: A quantitative approach
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The “Shiva Hypothesis”: Impacts, mass extinctions, and the galaxy
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A Unified Theory of Impact Crises and Mass Extinctions: Quantitative Tests
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The Galactic Theory of Mass Extinctions: an Update
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Historic eruptions of Tambora (1815), Krakatau (1883), and Agung (1963), their stratospheric aerosols, and climatic impact