Index: doc/bibliography/pl.bib
===================================================================
--- doc/bibliography/pl.bib	(revision c29c342a8a1e3215a616f162b70f85a609117410)
+++ doc/bibliography/pl.bib	(revision bd21af5451f36317f686c0d5d45b5c6efbec760c)
@@ -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}}
 }
 
Index: src/libcfa/stdhdr/bfdlink.h
===================================================================
--- src/libcfa/stdhdr/bfdlink.h	(revision c29c342a8a1e3215a616f162b70f85a609117410)
+++ src/libcfa/stdhdr/bfdlink.h	(revision bd21af5451f36317f686c0d5d45b5c6efbec760c)
@@ -10,6 +10,6 @@
 // Created On       : Tue Jul 18 07:26:04 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Jul 18 07:46:50 2017
-// Update Count     : 3
+// Last Modified On : Sun Jul 22 13:49:30 2018
+// Update Count     : 4
 // 
 
@@ -20,5 +20,5 @@
 #endif
 
-#include_next <bfdlink.h>								// must have internal check for multiple expansion
+#include_next <bfdlink.h>								// has internal check for multiple expansion
 
 #if defined( with ) && defined( __CFA_BFDLINK_H__ )		// reset only if set
Index: src/libcfa/stdhdr/hwloc.h
===================================================================
--- src/libcfa/stdhdr/hwloc.h	(revision c29c342a8a1e3215a616f162b70f85a609117410)
+++ src/libcfa/stdhdr/hwloc.h	(revision bd21af5451f36317f686c0d5d45b5c6efbec760c)
@@ -10,6 +10,6 @@
 // Created On       : Tue Jul 18 07:45:00 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Jul 18 07:56:33 2017
-// Update Count     : 3
+// Last Modified On : Sun Jul 22 13:49:58 2018
+// Update Count     : 4
 // 
 
@@ -20,5 +20,5 @@
 #endif
 
-#include_next <hwloc.h>									// must have internal check for multiple expansion
+#include_next <hwloc.h>									// has internal check for multiple expansion
 
 #if defined( thread ) && defined( __CFA_HWLOC_H__ )		// reset only if set
Index: src/libcfa/stdhdr/krb5.h
===================================================================
--- src/libcfa/stdhdr/krb5.h	(revision c29c342a8a1e3215a616f162b70f85a609117410)
+++ src/libcfa/stdhdr/krb5.h	(revision bd21af5451f36317f686c0d5d45b5c6efbec760c)
@@ -10,6 +10,6 @@
 // Created On       : Tue Jul 18 07:55:44 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Jul 18 07:58:01 2017
-// Update Count     : 3
+// Last Modified On : Sun Jul 22 13:50:24 2018
+// Update Count     : 4
 // 
 
@@ -20,5 +20,5 @@
 #endif
 
-#include_next <krb5.h>									// must have internal check for multiple expansion
+#include_next <krb5.h>									// has internal check for multiple expansion
 
 #if defined( enable ) && defined( __CFA_KRB5_H__ )		// reset only if set