Antolín Fernández, Elisa and Martí Vega, Antonio and García-Linares Fontes, Pablo and Cánovas Díaz, Enrique and Fuertes Marrón, David and Luque López, Antonio and Farmer, C.D. and Stanley, Colin (2008). Demonstration and Analysis of the Photocurrent by absorption of two sub-bandgap photons in a quantum dot intermediate band solar cell. In: "23rd European Photovoltaic Solar Energy Conference", 01/09/2008-05/09/2008, Valencia, España. ISBN 3-936338-24-8.