opengroup
- [34. Метамодель контента chap34](https://pubs.opengroup.org/architecture/togaf91-doc/arch/chap34.html) по паролю
- [4. Generic Metamodel](https://pubs.opengroup.org/architecture/archimate3-doc/ch-Generic-Metamodel.html)
- https://www.opengroup.org/sites/default/files/docs/downloads/n221p.pdf  

иное:
- [Understanding the ArchiMate 3.2 Metamodel: A Guide to Behavior and Structure Elements](https://www.archimetric.com/understanding-the-archimate-3-2-metamodel-a-guide-to-behavior-and-structure-elements/)
- [On the Use of Colours in ArchiMate](https://ea.rna.nl/2011/06/05/on-the-use-of-colours-in-archimate/)


File:
- [RU Ядро метамодели ArchiMate 3.2](https://ea.rna.nl/wp-content/uploads/2023/08/archimate-sheets-ru-20230805-s.pdf)
https://www.nato.int/nato_static_fl2014/assets/pdf/2025/4/pdf/2504-NAFv4-ArchiMate.pdf 
- [ArchiMate Modeling Guide For the NATO Architecture Framework Version 4, ArchitectureCapabilityTeam Digital Policy Committee 30/04/2025](https://www.nato.int/nato_static_fl2014/assets/pdf/2025/4/pdf/2504-NAFv4-ArchiMate.pdf)

METAMODEL также см. https://github.com/bpmbpm/doc/tree/main/METAMODEL