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1 janv. 1950 - Ludwing von Bertalanffy Viena, Austria -1901-1972 Primer exponente de Teoría de los sistemas

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Byalexandra puentes
30 sept. 2019
0
0
701

Date:

1 janv. 1950
Maintenaint
~ Il y a 75 ans

Les images:

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