What do the Kohn-Sham Orbital Energies Mean? How do Atoms Dissociate?

Perdew, J. P. (1985). What do the Kohn-Sham Orbital Energies Mean? How do Atoms Dissociate? In Density Functional Methods In Physics (pp. 265–308). Springer US. https://doi.org/10.1007/978-1-4757-0818-9_10