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29 Jun 1890 Jahr - New event

Beschreibung:

Pearson y Spearman. Psicólogos matemáticos. Situan las bases matemáticas para la Psicología Diferencial.

Zugefügt zum Band der Zeit:

Instrumentos de Medición

10 Dez 2018

0

0

762

Datum:

29 Jun 1890 Jahr

Jetzt

~ 135 years ago

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