1. Destroying threads in C#.
https://docs.microsoft.com/en-us/dotnet/standard/threading/destroying-threads
. Accessed Feb 2019
2. Documentation on The Python standard library.
https://docs.python.org/3/library/concurrent.futures.html
. Accessed Feb 2019
3. OpenMP API, version 4.5.
http://www.openmp.org/wp-content/uploads/openmp-4.5.pdf
. Accessed Feb 2019
4. Scala scheduler.
https://doc.akka.io/docs/akka/snapshot/scheduler.html?language=scala
. Accessed Feb 2019
5. Oracle docs, February 2019.
https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/ExecutorService.html