https://www.youtube.com/watch?v=-g4dKZTnxHo

https://vimeo.com/164412266

http://mse.postech.ac.kr/eng/c/97/108/121

http://en.wikipedia.org/wiki/Solid_oxide_fuel_cell

http://www.electronicosonline.com/2011/01/19/decidido-freescale-a-eliminar-al-e2809cvampiroe2809d-de-energia/