Abstract
II. IF such a periodical variation in the climate does take place, we should be able to trace it in the older formations, as we cannot assume that it first began to operate in the most recent geological age. We must, therefore, try to discover if such variation can be traced in the earlier times.
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BLYTT, A. On Variations of the Climate in the Course of Time 1 . Nature 34, 239–242 (1886). https://doi.org/10.1038/034239e0
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DOI: https://doi.org/10.1038/034239e0