Index: doc/bibliography/pl.bib
===================================================================
--- doc/bibliography/pl.bib	(revision a74503ff7be256fa13707bae009cede1f2b079ee)
+++ doc/bibliography/pl.bib	(revision 2ff9f4aa06a247501f3ad5e7a508e0ca808a99f8)
@@ -3355,4 +3355,17 @@
     pages	= {115-138},
     year	= 1971,
+}
+
+@article{Hesselink17,
+    keywords	= {concurrency, mutual exclusion, performance experiment, software solutions},
+    title	= {High-Contention Mutual Exclusion by Elevator Algorithms},
+    author	= {Peter Buhr and David Dice and Wim H. Hesselink},
+    journal	= ccpe,
+    volumeopt	= 30,
+    numberopt	= 4,
+    year	= 2018,
+    month	= may,
+    publisher	= {John Wiley \& Sons},
+    note	= {\url{https://doi-org.proxy.lib.uwaterloo.ca/10.1002/cpe.4475}}
 }