Drop 9.3 release

diff --git a/CITATIONS.bib b/CITATIONS.bib
index b9294d1ec50028a6ea7b88de09a3f686453ef1eb..28dfc01cc415f8cd447c04ae91960f1c1413f9cc 100644 (file)
--- a/CITATIONS.bib
+++ b/CITATIONS.bib
@@ -14,24 +14,6 @@
   url       = {https://dealii.org/deal94-preprint.pdf}
 }
 
-@article{dealII93,
-  title     = {The \texttt{deal.II} Library, Version 9.3},
-  author    = {Daniel Arndt and Wolfgang Bangerth and Bruno Blais and
-               Marc Fehling and Rene Gassm{\"o}ller and Timo Heister
-               and Luca Heltai and Uwe K{\"o}cher and Martin
-               Kronbichler and Matthias Maier and Peter Munch and
-               Jean-Paul Pelteret and Sebastian Proell and Konrad
-               Simon and Bruno Turcksin and David Wells and Jiaqi
-               Zhang},
-  journal   = {Journal of Numerical Mathematics},
-  year      = {2021},
-  url       = {https://dealii.org/deal93-preprint.pdf},
-  doi       = {10.1515/jnma-2021-0081},
-  volume    = {29},
-  number    = {3},
-  pages     = {171--186}
-}
-
 @Article{dealii2019design,
   title   = {The {deal.II} finite element library: Design, features, and insights},
   author  = {Daniel Arndt and Wolfgang Bangerth and Denis Davydov and