		La clave secreta del universo / Lucy & Stephen Hawking ; tradución de Laura Martín de Dios by Hawking, Lucy Publication: Barcelona : Debolsillo 2010 Physical description: 224 p., 32 p. de lm. col. ; 19cm Academic level: 1º-2º ESO , 3º-4º ESO Availability: Items available for loan: IES As Mariñas (10), Lists: ESPACIO,SISTEMA SOLAR .
		La clave secreta del universo / Lucy & Stephen Hawking by Hawking, Lucy Publication: Barcelona :Montena 2008 Physical description: 220 p ;21cm Academic level: SCB Availability: Items available for loan: IES As Mariñas (1),

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