Index: doc/bibliography/pl.bib
===================================================================
--- doc/bibliography/pl.bib	(revision ce691d20227aa236626a4cb707a44f723beaa254)
+++ doc/bibliography/pl.bib	(revision 9ef5516c1cc0ba4ac2a785e07996cf39ccdab4f7)
@@ -243,4 +243,38 @@
 	return a nested routine that refers to the type parameter.
     }
+}
+
+@manual{Ada95,
+    keywords	= {Ada},
+    contributer	= {pabuhr@plg},
+    title	= {{A}da Reference Manual},
+    edition	= {International Standard {ISO}/{IEC} {8652:1995(E)} with {COR.1:2000}},
+    organization= {Intermetrics, Inc.},
+    month	= dec,
+    year	= 1995,
+    note	= {Language and Standards Libraries}
+}
+
+@manual{Ada12,
+    keywords	= {ISO/IEC Ada},
+    contributer	= {pabuhr@plg},
+    author	= {Ada12},
+    title	= {Programming languages -- {Ada} ISO/IEC 8652:2012},
+    edition	= {3rd},
+    organization= {International Standard Organization},
+    address	= {Geneva, Switzerland},
+    year	= 2012,
+    note	= {\href{https://www.iso.org/standard/61507.html}{https://\-www.iso.org/\-standard/\-61507.html}},
+}
+
+@manual{Ada95:annotated,
+    keywords	= {Ada},
+    contributer	= {pabuhr@plg},
+    title	= {Annotated {A}da Reference Manual},
+    edition	= {International Standard {ISO}/{IEC} {8652:1995(E)} with {COR.1:2000}},
+    organization= {Intermetrics, Inc.},
+    month	= dec,
+    year	= 1995,
+    note	= {Language and Standards Libraries}
 }
 
@@ -2808,7 +2842,9 @@
     title	= {Encapsulation and Inheritance in Object-Oriented Programming Languages},
     journal	= sigplan,
-    volume	= {21},    number = {11},
+    volume	= {21},
+    number	= {11},
     pages	= {38-45},
-    month	= nov, year = 1986,
+    month	= nov,
+    year	= 1986,
     comment	= {
 	Client, child interfaces should be distinct.  Child interface
@@ -3725,4 +3761,5 @@
 @article{Michael04a,
     keywords	= {Lock-free, synchronization, concurrent programming, memory management, multiprogramming, dynamic data structures},
+    contributer	= {pabuhr@plg},
     author	= {Maged M. Michael},
     title	= {Hazard Pointers: Safe Memory Reclamation for Lock-Free Objects},
@@ -3735,4 +3772,18 @@
     publisher	= {IEEE Press},
     address	= {Piscataway, NJ, USA},
+}
+
+@inproceedings{Johansson02,
+    keywords	= {concurrent languages, erlang, garbage collection, message passing, runtime systems},
+    contributer	= {pabuhr@plg},
+    author	= {Erik Johansson and Konstantinos Sagonas and Jesper Wilhelmsson},
+    title	= {Heap Architectures for Concurrent Languages Using Message Passing},
+    year	= {2002},
+    isbn	= {1581135394},
+    publisher	= {ACM},
+    address	= {New York, NY, USA},
+    booktitle	= {Proceedings of the 3rd International Symposium on Memory Management},
+    pages	= {88-99},
+    location	= {Berlin, Germany},
 }
 
@@ -5277,5 +5328,6 @@
         Programming Language},
     year	= 1980,
-    month	= dec, pages = {139-145},
+    month	= dec,
+    pages	= {139-145},
     note	= {SIGPLAN Notices, v. 15, n. 11},
     abstract	= {
@@ -5883,4 +5935,15 @@
 }
 
+@article{Nigro21,
+    keywords	= {Actors, Asynchronous messages, Reflective control on message passing, Lock-free parallel computing, Java, Scalable multi-agent systems, Parallel matrix multiplication, Iterated Prisoner's Dilemma},
+    contributer	= {pabuhr@plg},
+    author	= {Libero Nigro},
+    title	= {Parallel Theatre: An actor framework in {Java} for high performance computing},
+    journal	= {Simulation Modelling Practice and Theory},
+    volume	= {106},
+    number	= {102189},
+    year	= {2021},
+}
+
 @incollection{Stroustrup96,
     keywords	= {concurrency, C++},
@@ -5917,5 +5980,8 @@
     journal	= ieeese,
     year	= 1984,
-    month	= sep, volume = "SE-10", number = 5, pages = {528-543},
+    month	= sep,
+    volume	= "SE-10",
+    number	= 5,
+    pages	= {528-543},
     abstract	= {
         Parameterized programming is a powerful technique for the reliable
@@ -5949,5 +6015,6 @@
     booktitle	= {USENIX {C}{\kern-.1em\hbox{\large\texttt{+\kern-.25em+}}} Conference},
     organization= {USENIX Association},
-    year	= 1988, pages = {1-18}
+    year	= 1988,
+    pages	= {1-18}
 }
 
@@ -6760,36 +6827,15 @@
 }
 
-@manual{Ada95,
-    keywords	= {Ada},
-    contributer	= {pabuhr@plg},
-    title	= {{A}da Reference Manual},
-    edition	= {International Standard {ISO}/{IEC} {8652:1995(E)} with {COR.1:2000}},
-    organization= {Intermetrics, Inc.},
-    month	= dec,
-    year	= 1995,
-    note	= {Language and Standards Libraries}
-}
-
-@manual{Ada12,
-    keywords	= {ISO/IEC Ada},
-    contributer	= {pabuhr@plg},
-    author	= {Ada12},
-    title	= {Programming languages -- {Ada} ISO/IEC 8652:2012},
-    edition	= {3rd},
-    organization= {International Standard Organization},
-    address	= {Geneva, Switzerland},
-    year	= 2012,
-    note	= {\href{https://www.iso.org/standard/61507.html}{https://\-www.iso.org/\-standard/\-61507.html}},
-}
-
-@manual{Ada95:annotated,
-    keywords	= {Ada},
-    contributer	= {pabuhr@plg},
-    title	= {Annotated {A}da Reference Manual},
-    edition	= {International Standard {ISO}/{IEC} {8652:1995(E)} with {COR.1:2000}},
-    organization = {Intermetrics, Inc.},
-    month	= dec,
-    year	= 1995,
-    note	= {Language and Standards Libraries}
+@inproceedings{Bacon03,
+    keywords	= {utilization, real-time scheduling, read barrier, defragmentation},
+    contributer	= {pabuhr@plg},
+    author	= {David F. Bacon and Perry Cheng and V. T. Rajan},
+    title	= {A Real-Time Garbage Collector with Low Overhead and Consistent Utilization},
+    year	= {2003},
+    publisher	= {ACM},
+    address	= {New York, NY, USA},
+    booktitle	= {Proceedings of the 30th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages},
+    pages	= {285-298},
+    location	= {New Orleans, Louisiana, USA},
 }
 
@@ -6927,5 +6973,8 @@
     journal	= sigplan,
     year	= 1991,
-    month	= oct, volume = 26, number = 10, pages = {29-43},
+    month	= oct,
+    volume	= 26,
+    number	= 10,
+    pages	= {29-43},
     abstract	= {
         {\tt lcc} is a new retargetable compiler for ANSI C.  Versions for
@@ -8171,5 +8220,5 @@
 @article{Karsten20,
     author	= {Karsten, Martin and Barghi, Saman},
-    title	= {{User-level Threading: Have Your Cake and Eat It Too}},
+    title	= {User-level Threading: Have Your Cake and Eat It Too},
     year	= {2020},
     issue_date	= {March 2020},
@@ -8346,4 +8395,15 @@
     pages	= {19-24},
 }
+
+@inproceedings{Saman18,
+    keywords	= {actors, scheduling, NUMA, locality},
+    contributer	= {pabuhr@plg},
+    author	= {Saman Barghi and Martin Karsten},
+    booktitle	= {2018 IEEE International Parallel and Distributed Processing Symposium (IPDPS)}, 
+    title	= {Work-Stealing, Locality-Aware Actor Scheduling}, 
+    year	= {2018},
+    address	= {Vancouver, BC, Canada},
+    pages	= {484-494},
+  }
 
 @techreport{Moss90,
