Fix another entry in references.bib

diff --git a/doc/doxygen/references.bib b/doc/doxygen/references.bib
index 64dc40f3079c8d2c09ea6f35ba007c15878926f7..55f5e7c2782445cc3f45b57bc3ce88ab39208fbe 100644 (file)
--- a/doc/doxygen/references.bib
+++ b/doc/doxygen/references.bib
@@ -950,6 +950,7 @@ year = {2008},
   Address                  = {University of Minnesota},
   Number                   = {91-279},
   Url                      = {citeseer.ist.psu.edu/saad93flexible.html}
+}
 
 @article{ainsworth1998hp,
   author    = {Ainsworth, Mark and Senior, Bill},