Un llibre sobre com visualitzar espacialment estructures socials http://www.guardian.co.uk/news/datablog/2012/jul/24/danny-dorling-visualise-social-structure Raf -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osgeo.org/pipermail/barcelona/attachments/20120725/02f8c9d5/attachment.html>