Roper, I. P., & Besley, N. A. (2016). The effect of basis set and exchange-correlation functional on time-dependent density functional theory calculations within the Tamm-Dancoff approximation of the X-ray emission spectroscopy of transition metal complexes. American Institute of Physics.

Roper, Ian P.E., and Nicholas A. Besley. The Effect of Basis Set and Exchange-correlation Functional On Time-dependent Density Functional Theory Calculations Within the Tamm-Dancoff Approximation of the X-ray Emission Spectroscopy of Transition Metal Complexes. American Institute of Physics, 2016.

Roper, Ian P.E., and Nicholas A. Besley. The Effect of Basis Set and Exchange-correlation Functional On Time-dependent Density Functional Theory Calculations Within the Tamm-Dancoff Approximation of the X-ray Emission Spectroscopy of Transition Metal Complexes. American Institute of Physics, 2016.