F. Tran, P. Blaha, K. Schwarz:
"How Close Are the Slater and Becke-Roussel Potentials in Solids?";
Journal of Chemical Theory and Computation, 11 (2015), 4717 - 4726.
http://dx.doi.org/10.1021/acs.jctc.5b00675Electronic version of the publication:
http://publik.tuwien.ac.at/files/PubDat_241188.pdf