Luque López, Antonio; Mellor Null, Alexander Virgil; Ramiro Gonzalez, Iñigo; Antolín Fernández, Elisa; Tobías Galicia, Ignacio y Martí Vega, Antonio (2013). Interband absorption of photons by extended states in intermediate band solar cells. "Solar Energy Materials And Solar Cells", v. 115 ; pp. 134-144. ISSN 0927-0248. https://doi.org/10.1016/j.solmat.2013.03.008.