1. Börger, E.: A subject-oriented interpreter model for S-BPM (2012). https://www.di.unipi.it/~boerger/Papers/Bpmn/SbpmBookAppendix.pdf
2. Elstermann, M.: Alps-visio. https://subjective-me.jimdofree.com/visio-modelling/. Accessed 24 Feb 2023
3. Elstermann, M.: Reference-execution-model-for-PASS. https://github.com/MatthesElstermann/ALPS_ONT/tree/main. Accessed 24 Feb 2023
4. Elstermann, M.: Proposal for a recursive interpreter specification for pass in pass. In: Elstermann, M., et al. (eds.) S-BPM ONE 2023. CCIS, vol. 1867, pp. 187–201. Springer, Heidelberg (2023)
5. Elstermann, M., Gnad, L.: Alps-visio-add-in. https://github.com/MatthesElstermann/ALPS-Visio-Add-In. Accessed 24 Feb 2023