PDF Tchijevsky Physical Factors of the Historical Process Edited version with corrected scanning errors: Physical Factors of the Historical Process First published in 1914. Tchijevsky discovered that 60 % of all historical event […]
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Read the free pdf (updated version of Jan 2018, 124 pages): Black Death and Abrupt Earth Changes 02-01-2018 updated version
Abstract Geometrical analysis of the Carolina Bays using Google Earth in combination with LiDAR data makes it possible to postulate that the bays formed as the result of impacts, rather than from […]
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Black Death and Abrupt Earth Changes pdf
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