Datos, hojas de cálculo, imágenes, fotografías y código.

Licenciado bajo GPLv3 y GFDL.

Copyright (C) Federico Trillo. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".