https://www.gandhi.com.mx/guia-del-observador-de-nubes7513317Guía del observador de nubeshttps://www.gandhi.com.mx/media/catalog/product/9/7/9789563650099.jpg500outofstock50050000000https://www.gandhi.com.mx/media/catalog/product/9/7/9789563650099.jpg2022-07-01T12:08:47+0000SCI000000Gavin Pretor-PinneyTapa blandaSCI000000