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23 agos 7954 año - 1954 Bertalanffy, Boulding, R. W. Gerard y A. Rapoport Crean la Sociedad Americana del Avance Cientifico para crear sistemas teoricos que fueran aplicables a mas de una ciencia

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ByItalia De Hernandez
30 sep 2018
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23 agos 7954 año
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