re-ordered references in chronological order

Author: JanStaschulat

_docs/concepts/client_library/execution_management/index.md

@@ -44,6 +44,7 @@ redirect_from:
     *   [Test Bench](#test-bench)
 
 *   [Related Work](#related-work)
+    * [Fawkes Framework](#fawkes-framework)
 *   [References](#references)
 *   [Acknowledgments](#acknowledgments)
 
@@ -679,31 +680,30 @@ URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8376277&isnumber=83
 
 
 ## References
+* [S2021]<a name="S2021"></a> J. Staschulat, "Micro-ROS: The rclc Executor", ROS 2 Executor: How to make it efficient, real-time and deterministic?, ROS World, Oct. 2021, [[slides](https://ec2a4d36-bac8-4759-b25e-bb1f794177f4.filesusr.com/ugd/984e93_749e27b917a54b45b9ccb5be930841b8.pdf)] [[recorded presentation](https://www.youtube.com/embed/IazrPF3RN1U)]
 
 * [SLD2021]<a name="SLD2021"></a> J. Staschulat, R. Lange and D. N. Dasari, "Budget-based real-time Executor for Micro-ROS", arXiv Pre-Print, May 2021. [[paper](https://arxiv.org/abs/2105.05590)] 
 
-* [S2021]<a name="S2021"></a> J. Staschulat, "Micro-ROS: The rclc Executor", ROS 2 Executor: How to make it efficient, real-time and deterministic?, ROS World 2021, [[slides](https://ec2a4d36-bac8-4759-b25e-bb1f794177f4.filesusr.com/ugd/984e93_749e27b917a54b45b9ccb5be930841b8.pdf)] [[recorded presentation](https://www.youtube.com/embed/IazrPF3RN1U)]
-
 * [L2020]<a name="L2020"></a> Ralph Lange: Advanced Execution Management with ROS 2, ROS-Industrial Conference, Dec 2020 [[Slides]](https://micro-ros.github.io/download/2020-12-16_Advanced_Execution_Management_with_ROS_2.pdf)
 
 * [SLL2020]<a name="SLL2020"></a> J. Staschulat, I. Lütkebohle and R. Lange, "The rclc Executor: Domain-specific deterministic scheduling mechanisms for ROS applications on microcontrollers: work-in-progress," 2020 International Conference on Embedded Software (EMSOFT), Singapore, Singapore, 2020, pp. 18-19. [[Paper]](https://ieeexplore.ieee.org/document/9244014) [[Video]](https://whova.com/embedded/session/eswe_202009/1145800/)
 
-* [L2018]<a name="L2018"></a> Ralph Lange: Callback-group-level Executor for ROS 2. Lightning talk at ROSCon 2018. Madrid, Spain. Sep 2018. [[Slides]](https://roscon.ros.org/2018/presentations/ROSCon2018_Lightning1_4.pdf) [[Video]](https://vimeo.com/292707644)
-
 * [CB2019]<a name="CB2019"> </a> D. Casini, T. Blaß, I. Lütkebohle, B. Brandenburg: Response-Time Analysis of ROS 2 Processing Chains under Reservation-Based Scheduling, in Euromicro-Conference on Real-Time Systems 2019. [[Paper]](http://drops.dagstuhl.de/opus/volltexte/2019/10743/) [[slides]](https://t-blass.de/talks/ECRTS2019.pdf)
 
+* [L2018]<a name="L2018"></a> Ralph Lange: Callback-group-level Executor for ROS 2. Lightning talk at ROSCon 2018. Madrid, Spain. Sep 2018. [[Slides]](https://roscon.ros.org/2018/presentations/ROSCon2018_Lightning1_4.pdf) [[Video]](https://vimeo.com/292707644)
+
 * [EK2018]<a name="EK2018"></a> R. Ernst, S. Kuntz, S. Quinton, M. Simons: The Logical Execution Time Paradigm: New Perspectives for Multicore Systems, February 25-28 2018 (Dagstuhl Seminar 18092). [[Paper]](http://drops.dagstuhl.de/opus/volltexte/2018/9293/pdf/dagrep_v008_i002_p122_18092.pdf)
 
+* [NSP2018]<a name="NSP2018"></a> A. Naderlinger, S. Resmerita, and W. Pree: LET for Legacy and Model-based Applications,
+Proceedings of The Logical Execution Time Paradigm: New Perspectives for Multicore Systems (Dagstuhl Seminar 18092), Wadern, Germany, February 2018.
+
 * [BP2017]<a name="BP2017"></a> A. Biondi, P. Pazzaglia, A. Balsini,  M. D. Natale: Logical Execution Time Implementation and Memory Optimization Issues in AUTOSAR Applications for Multicores, International Worshop on Analysis Tools and Methodologies for Embedded and Real-Time Systems (WATERS2017), Dubrovnik, Croatia.[[Paper]](https://pdfs.semanticscholar.org/4a9e/b9a616c25fd0b4a4f7810924e73eee0e7515.pdf)
 
-* [LL1973]<a name="LL1973"></a> Liu, C. L.; Layland, J.:Scheduling algorithms for multiprogramming in a hard real-time environment, Journal of the ACM, 20 (1): 46–61, 1973.
+* [KZH2015]<a name="KZH2015"></a> S. Kramer, D. Ziegenbein, and A. Hamann: Real World Automotive Benchmarks For Free, International Workshop on Analysis Tools and Methodologies for Embedded adn Real-Time Sysems (WATERS), 2015.
 
 * [HHK2001]<a name="HHK2001"></a> Henzinger T.A., Horowitz B., Kirsch C.M. (2001) Giotto: A Time-Triggered Language for Embedded Programming. In: Henzinger T.A., Kirsch C.M. (eds) Embedded Software. EMSOFT 2001. Lecture Notes in Computer Science, vol 2211. Springer, Berlin, Heidelberg
 
-* [NSP2018]<a name="NSP2018"></a> A. Naderlinger, S. Resmerita, and W. Pree: LET for Legacy and Model-based Applications,
-Proceedings of The Logical Execution Time Paradigm: New Perspectives for Multicore Systems (Dagstuhl Seminar 18092), Wadern, Germany, February 2018.
-
-* [KZH2015]<a name="KZH2015"></a> S. Kramer, D. Ziegenbein, and A. Hamann: Real World Automotive Benchmarks For Free, International Workshop on Analysis Tools and Methodologies for Embedded adn Real-Time Sysems (WATERS), 2015.
+* [LL1973]<a name="LL1973"></a> Liu, C. L.; Layland, J.:Scheduling algorithms for multiprogramming in a hard real-time environment, Journal of the ACM, 20 (1): 46–61, 1973.
 
 ## Acknowledgments