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Middle-term changes in the lengths of solar cycles
Střeštík, Jaroslav
In the published data of anuual sunspot numbers since 1500 and less reliable guesses of positions of minima and maxima of solar cycles since 200 B.C. middle-term changes in the cycle lenghts have been investigated. Data published by different authors differ considerably, the more the further to the past they go.
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Trains in our world
Rajchl, Jaroslav
According to e.g. St. Thomas the human history is connected with the mankind behaviour which is well known is tighly connected with the solar activity during its 500 year periodicity. Owing to this activity trains of various shapes and duration are induced; they are in an interesting correspondence to different typical processes in the mankind history.
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