Please note that all contributions to La Base Comunitaria de Conocimientos de la Economía Basada en Recursos are considered to be released under the Creative Commons Zero (Public Domain) (see RBEMWiki:Derechos de autor for details).
If you do not want your writing to be edited mercilessly and redistributed at will, then do not submit it here.
You are also promising us that you wrote this yourself, or copied it from a public domain or similar free resource.
Do not submit copyrighted work without permission!