RT Journal Article T1 The soft-photon approximation in infrared-laser-assisted atomic ionization by extreme-ultraviolet attosecond-pulse trains A1 Galán Á.J., A1 Argenti L., A1 Martín, Fernando YR 2013 FD 2013 LK http://hdl.handle.net/20.500.12614/1929 UL http://hdl.handle.net/20.500.12614/1929 LA en DS Repositorio institucional de IMDEA Nanociencia RD 16 may. 2026