		La creación del universo / George Gamow, Pérez Sama, Manuel by Gamow, George Publication: Madrid :Espasa-Calpe 1963 Physical description: 200 p., XI p. de lám ;21cm Academic level: SCB Availability: Items available for loan: IES Valadares (1),
		El hombre que calculaba / Malba Tahan by Tahan, Malba Publication: Barcelona :RBA 2011 Physical description: 297 p. ;22cm Academic level: SCB Availability: Items available for loan: IES Valadares (1),

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