Pekka Mansikka, a Finnish self-taught researcher. He is especially familiar with the study of ancient eclipses and the timing of chronologies according to them.
As a publisher, he ...visualizza altroPekka Mansikka, a Finnish self-taught researcher. He is especially familiar with the study of ancient eclipses and the timing of chronologies according to them.
As a publisher, he also publishes historically interesting scientific books.visualizza meno