Master plan for the protection and use of the Galapagos National Park / United Nations Development Program. - Quito : United Nations, 1973. - 45 p, : 28 cm. Inglés Subjects--Topical Terms: ConservaciónConservationÁreas protegidasProtected areas Subjects--Geographic Terms: Islas GalápagosGalapagos Islands Dewey Class. No.: 719