1. Sang-Kil Son and Robin Santra, “Inner-shell multiphoton multiple ionization dynamics of xenon atoms by x-ray free-electron laser pulses” in DPG Spring Meeting of the Section AMOP (German Physical Society, Hanover, Germany, March 18-22, 2013) [oral presentation].
2. Sang-Kil Son, “Multiwavelength anomalous diffraction at high x-ray intensity” in Workshop on Resonant Elastic X-ray Scattering in Condensed Matter (Oxford, United Kingdom, July 15-19, 2013) [invited talk].