added 2 more so papers

diff --git a/bibdb/bibdb.bib b/bibdb/bibdb.bib
index 224ef29d1b308493e03a527b9d13b326d69a7f28..9b11306ea3cd289667eea5701aee9917596a3cc3 100644 (file)
--- a/bibdb/bibdb.bib
+++ b/bibdb/bibdb.bib
@@ -5811,6 +5811,21 @@
   notes =        "spin orbit pseudopotential formulation",
 }
 
+@Article{hemstreet93,
+  title =        "First-principles calculations of spin-orbit splittings
+                 in solids using nonlocal separable pseudopotentials",
+  author =       "L. A. Hemstreet and C. Y. Fong and J. S. Nelson",
+  journal =      "Phys. Rev. B",
+  volume =       "47",
+  issue =        "8",
+  pages =        "4238--4243",
+  year =         "1993",
+  month =        feb,
+  doi =          "10.1103/PhysRevB.47.4238",
+  URL =          "http://link.aps.org/doi/10.1103/PhysRevB.47.4238",
+  publisher =    "American Physical Society",
+}
+
 @Article{naveh07,
   title =        "Real-space pseudopotential method for spin-orbit
                  coupling within density functional theory",
@@ -5829,6 +5844,19 @@
   notes =        "real space spin orbit pseudopotential implementation",
 }
 
+@Article{cuadrado12,
+  author =       "R. Cuadrado and J. I. Cerdá",
+  title =        "Fully relativistic pseudopotential formalism under an
+                 atomic orbital basis: spin-orbit splittings and
+                 magnetic anisotropies",
+  journal =      "Journal of Physics: Condensed Matter",
+  volume =       "24",
+  number =       "8",
+  pages =        "086005",
+  URL =          "http://stacks.iop.org/0953-8984/24/i=8/a=086005",
+  year =         "2012",
+}
+
 @Article{fornberg88,
   author =       "Bengt Fornberg",
   title =        "Generation of finite difference formulas on
@@ -6159,4 +6187,3 @@
   URL =          "http://dx.doi.org/10.1007/978-3-642-14390-8_63",
   year =         "2010",
 }
-