Forzas centrais
Forzas centrais
Fonte e licenza: Imaxe: 'physics news'
http://www.flickr.com/photos/29233640@N07/5692354836
Licensed under the Creative Commons Attribution 2.0 License
Fonte e licenza: Imaxe: 'physics news'
http://www.flickr.com/photos/29233640@N07/5692354836
Licensed under the Creative Commons Attribution 2.0 License