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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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28 feb 1854 anni - 1854 Helmholtz on the speed of neural impulse
Aggiunto al nastro di tempo:
Important dates in psychological history
By
Natasha Gualy
7 mar 2018
0
0
850
Data:
28 feb 1854 anni
Adesso
~ 171 years ago
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