1. Sang-Kil Son and Shih-I Chu, “Theoretical study of orientation-dependent multiphoton ionization of polyatomic molecules in intense ultrashort laser fields: A new time-dependent Voronoi-cell finite difference method,” Chem. Phys. 366, 91–102 (2009).
2. Sang-Kil Son and Shih-I Chu, “Multiple orbital contribution in multiphoton ionization of H₂O in intense ultrafast laser fields” in International Conference on Attosecond Physics (Manhattan, Kansas, July 28-August 1, 2009) [poster].
3. Sang-Kil Son, “New Development of Theoretical and Computational Methods for Probing Strong-Field Multiphoton Processes,” Ph.D. Thesis, University of Kansas (2009).