1. Thalheim, B.: The conceptual framework to multi-layered database modelling. In: Frontiers in Artificial Intelligence and Applications, EJC, Proc. Maribor, Slovenia, vol. 206, pp. 118–138 (2010)
2. Thalheim, B., Tropmann-Frick, M.: Models and their capability. In: Computational Models of Rationality, vol. 29, pp. 34–56 (2016)
3. Fisher, A., Friedenthal, S., Sampson, M., et al.: Model lifecycle management for MBSE. In: NCOSE International Symposium. Las Vegas, NV, vol. 24, pp. 207–229 (2014)
4. Atkin, A.: Peirce’s Theory of Signs. The Stanford Encyclopedia of Philosophy (2013)
5. Harel, D., Rumpe, B.: Modeling Languages: Syntax, Semantics and All That Stuff, Part I: The Basic Stuff, Weizmann Science Press of Israel©, Jerusalem, Israel, Technical Report 2000, pp. 1–28 (2000)