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pro vyhledávání: '"J. T. Wiitala"'
Autor:
J. T. Wiitala, C. F. Sarkinen
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :2278-2286
The recent volcanic activities of Mt. St. Helens starting with a minor eruption on March 27, 1980, followed by major eruptions on May 18 and 25 and June 12, 1980, precipitated investigations of possible effects of volcanic ash fallout on the Pacific