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Escritos sobre la paz by Einstein, Albert, 1879-1955. Series: Historia, Ciencia, Sociedad ; 14Material type: Text Language: Spanish Publication details: Barcelona : Península, 1967Availability: Items available for loan: Biblioteca Central UNNECall number: 172 E35 ej.1 (1).
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Introducción a la sociología by Bottomore, T. B, 1920-1992. Series: Historia, Ciencia, Sociedad ; 12Edition: 2a ed.Material type: Text Language: Spanish Publication details: Barcelona : Península, 1967Availability: Items available for loan: Biblioteca Central UNNECall number: 301 B751 ej.1 (1).
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