IMPACTS OVER THE PACIFIC BASIN AROUND THE YEAR 1178 A.D. AND THEIR POSSIBLE ORIGIN

Emilio Spedicato  formerly at Mathematics Department, University of Bergamo Release 2, February 2017 Foreword A previous version of this paper, one of the very first written by this author outside the mathematical field, was published in 1997 as a report of the Mathematics Department of the University of  Bergamo. The …

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