		Volcanes : montañas de fuego / una producción de National Geographic Television Publication: [Barcelona] :RBA 2003 Physical description: 1 disco (DVD Vídeo)(ca. 60 min.) :son., col ;12cm Academic level: 5º-6º Primaria Availability: Items available for loan: CEIP Milladoiro (2),
		Artico Extremo / National Geographic Society Television Publication: [Barceloan] :RBA Publicaciones 2001 Physical description: 1 videocasete (VHS) (60 min.) :son., col Availability: Items available for loan: CEIP Milladoiro (1),

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