Nordlie, Bert E. Morphology and structure of the western Galápagos volcanoes and a model for their origin / Bert E. Nordie. - [Arizona : el autor], 1973. - 69 p. ; 29 cm. Inglés Subjects--Topical Terms: GeologíaGeologyVulcanismoVolcanismCiencias básicasPure science Subjects--Geographic Terms: Islas GalápagosGalapagos Islands Dewey Class. No.: 551.21