@Book{FIL20150009647, title = "Cosmos : essai d\textquotesingle une description physique du monde", author = "Humboldt, Alexander von, 1769-1859. Kosmos. Entwurf einer physischen Weltbeschreibung. 1845-1862. Franc\'{e}s", URL = "http://www.larramendi.es/es/consulta/registro.do?id=18947", year = "2014", }