Copyright

Creative Commons copyright licenses:
You are free to:
- Share: Copy and redistribute the material in any medium or format.
- Adapt: ​​Remix, transform and build on the material
Under the following terms:
- Attribution: You must give appropriate credit, provide a link to the license, and indicate if any changes were made. You may do so in any reasonable way, but not in any way that suggests that the licensor endorses you or your use.
- Non-commercial: You may not use the material for commercial purposes.
- Share Alike: If you remix, transform or build on the material, you must distribute your contributions under the same license as the original.
- No Additional Restrictions: You may not apply legal terms or technological measures that legally restrict others from doing anything the license allows.
Notices:
- You do not have to comply with the license for elements of the material in the public domain or when its use is permitted by an applicable exception or limitation.
- No guarantees are given. The license may not give you all the necessary permissions for the intended use. For example, other rights such as publicity, privacy, or moral rights may limit how you use the material.
Code to inform visitors:

<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Licencia de Creative Commons" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" /></a><br />Este obra está bajo una <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">licencia de Creative Commons Reconocimiento-NoComercial-CompartirIgual 4.0 Internacional</a>