Zunger",
}
+@Article{oliveira08,
+ title = "Generating relativistic pseudo-potentials with
+ explicit incorporation of semi-core states using {APE},
+ the Atomic Pseudo-potentials Engine",
+ journal = "Computer Physics Communications",
+ volume = "178",
+ number = "7",
+ pages = "524--534",
+ year = "2008",
+ note = "",
+ ISSN = "0010-4655",
+ doi = "http://dx.doi.org/10.1016/j.cpc.2007.11.003",
+ URL = "http://www.sciencedirect.com/science/article/pii/S0010465507004651",
+ author = "Micael J. T. Oliveira and Fernando Nogueira",
+ keywords = "Pseudo-potential",
+ keywords = "Electronic structure",
+ keywords = "Density functional",
+}
+
@Article{fornberg88,
author = "Bengt Fornberg",
title = "Generation of finite difference formulas on