Interactiu de l'IGN sobre conceptes cartogràfics http://www.ign.es/ign/resources/cartografiaEnsenanza/conceptosCarto/concepCarto_18.html Raf -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.osgeo.org/pipermail/barcelona/attachments/20120224/31650018/attachment.html