		La materia / Luca Fraioli by FRAIOLI, Luca Publication: Madrid :Editex 1999 Physical description: 94 p. :il. col. ;21cm Availability: Items available for loan: IES Pedra da Aguia (1),
		La vida en la tierra / Barbara Gallavotti by Gallavotti, Barbara Publication: Madrid :Editex 2000 Physical description: 94 p. :il. col. ;21cm Academic level: 5º-6º Primaria Availability: Items available for loan: IES Pedra da Aguia (1),

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