1. Sang-Kil Son, “New Development of Theoretical and Computational Methods for Probing Strong-Field Multiphoton Processes,” Ph.D. Thesis, University of Kansas (2009).
2. Sang-Kil Son, “Voronoi-cell finite difference method for accurate electronic structure calculation of polyatomic molecules on unstructured grids,” J. Comput. Phys. 230, 2160–2173 (2011).