Tapa dura
LIMNOGEOLOGIA EN ESPAÑA: UN TRIBUTO A KERRY KELTS = LIMNOGEOLOGY IN SPAIN: A TRIBUTE TO KERRY KELTS CALERO.GARCES, BLAS L. (ED.)
Tapa blanda
WATER FOR LIFE: WATER MANAGEMENT AND ENVIRONMENTAL POLICY WESCOAT, JAMES L. y WHITE, GILBERT F.
Tapa dura
LA PLANETE BLEUE: AU COEUR DES OCEANS BYATT, ANDREW, FOTHERGILL, ALLISTAIR y HOLMES, MARTHA
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