// todo need optimize like in event.jsp. Add indexing or not indexing this page. Hermann von Helmholtz (31 août 1821 – 8 sept. 1894) (La bande de temps)
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Hermann von Helmholtz (31 août 1821 – 8 sept. 1894)

Description:

"Investigaciones sobre las sensaciones sonoras"

Ajouté au bande de temps:

Historia de la Psicología

BySeth Meza
3 déc. 2018

Date:

31 août 1821
8 sept. 1894
~ 73 years

Les images:

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