Links de videos sobre el color ( Parte 3)

http://www.youtube.com/watch?v=4fbQM1elXAs

http://www.youtube.com/watch?v=ASNJlCKavK8

http://www.youtube.com/watch?v=RDZRyS2kOzs&playnext=1&list=PL29E5458FFE011E50&feature=results_video

http://www.youtube.com/watch?v=RDZRyS2kOzs&playnext=1&list=PL29E5458FFE011E50&feature=results_main