removed double entry

diff --git a/bibdb/bibdb.bib b/bibdb/bibdb.bib
index 2256ef9..43e2873 100644 (file)
--- a/bibdb/bibdb.bib
+++ b/bibdb/bibdb.bib
@@ -4054,7 +4054,7 @@
   author =       "Marvin L. Cohen and Volker Heine",
 }
 
-@Article{hamann79,
+%@Article{hamann79,
   title =        "Norm-Conserving Pseudopotentials",
   author =       "D. R. Hamann and M. Schl{\"u}ter and C. Chiang",
   journal =      "Phys. Rev. Lett.",
@@ -5973,19 +5973,6 @@
   publisher =    "American Physical Society",
 }
 
-@Article{cohen70,
-  author =       "M. H. Cohen and V. Heine",
-  title =        "The fitting of pseudopotentials to experimental data
-                 and their subsequent application",
-  journal =      "Solid State Physics",
-  volume =       "24",
-  number =       "",
-  pages =        "",
-  URL =          "",
-  year =         "1970",
-  abstract =     "",
-}
-
 @Article{cohen66,
   title =        "Band Structures and Pseudopotential Form Factors for
                  Fourteen Semiconductors of the Diamond and Zinc-blende