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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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22 oct 1850 año - 1850 Fechner's Mind & Body Insight ---------------------- Fechner Day!
Descripción:
"Fechner Day"
Añadido al timeline:
Important dates in psychological history
By
Natasha Gualy
7 mar 2018
0
0
853
fecha:
22 oct 1850 año
Ahora mismo
~ 175 years ago
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