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22 окт 1850 г. - 1850 Fechner's Mind & Body Insight ---------------------- Fechner Day!
Описание:
"Fechner Day"
Добавлено на ленту времени:
Important dates in psychological history
By
Natasha Gualy
7 мар 2018
0
0
853
Дата:
22 окт 1850 г.
Сейчас
~ 175 г назад
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