Eisfeld, Alexander Max Planck Institute for the Physics of Complex Systems, Max Planck Society;
http://onlinelibrary.wiley.com/doi/10.1002/qua.25386/full (Publisher version)
Zhang, P.-P., Li, Z.-Z., & Eisfeld, A. (2017). Hierarchy of equations to calculate the linear spectra of molecular aggregates: Time-dependent and frequency domain formulation. International Journal of Quantum Chemistry, 117(14): e25386. doi:10.1002/qua.25386.