From 778fe8ec7960055bfc6fc97ca3ad1146d50b93c3 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Sat, 1 Jun 2019 20:09:16 -0600
Subject: [PATCH] Update a reference.

---
 9.1/paper.bib | 28 ++++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)

diff --git a/9.1/paper.bib b/9.1/paper.bib
index 70f9574..7c102ea 100644
--- a/9.1/paper.bib
+++ b/9.1/paper.bib
@@ -843,13 +843,21 @@ year = {2009}
   journal = {Computers {\&} Structures}
 }
 
-@proceedings{ljungkvist2017,
-  title={{M}atrix-{F}ree {F}inite-{E}lement {C}omputations on {G}raphics
-    {P}rocessors with {A}daptively {R}efined {U}nstructured {M}eshes},
-  author={Karl Ljungkvist},
-  year={2017},
-  address={Virginia Beach, VA, USA},
-  month={April 23-26},
-  publisher={Proceedings of the 25th High Performance Computing Symposium,
-    SpringSim-HPC}, 
-}
+@inproceedings{ljungkvist2017,
+ author = {Ljungkvist, Karl},
+ title = {Matrix-free Finite-element Computations on Graphics Processors with Adaptively Refined Unstructured Meshes},
+ booktitle = {Proceedings of the 25th High Performance Computing Symposium},
+ series = {HPC '17},
+ year = {2017},
+ isbn = {978-1-5108-3822-2},
+ location = {Virginia Beach, Virginia},
+ pages = {1:1--1:12},
+ articleno = {1},
+ numpages = {12},
+ url = {http://dl.acm.org/citation.cfm?id=3108096.3108097},
+ acmid = {3108097},
+ publisher = {Society for Computer Simulation International},
+ address = {San Diego, CA, USA},
+ keywords = {GPU, adaptive refinement, finite element methods, hanging nodes, matrix free},
+} 
+
-- 
2.39.5