Maintenance of Multi-level Models - An Analysis of Elementary Change Operations. - Daniel Töpel; Björn Benner (MoDELS (Satellite Events), 2017)

Contingent level classes: motivation, conceptualization, modeling guidelines, and implications for model management. - Ulrich Frank; Daniel Töpel (MoDELS (Companion), 2020)

Associations in Multi-Level-Modelling: Motivation, Conceptualization, Modelling Guidelines, and Implications for Model Management. - Daniel Töpel (MoDELS (Companion), 2021)

A Multi-level Cyber-Security Reference Model in Support of Vulnerability Analysis. - Simon Hacks; Monika Kaczmarek-Heß; Sybren de Kinderen; Daniel Töpel (EDOC, 2022)

Beyond Low Code Platforms: The XModelerML - an Integrated Multi-Level Modeling and Execution Environment. - Ulrich Frank; Luca L. Mattei; Tony Clark 001; Daniel Töpel (Modellierung (Workshops), 2022)

Towards flexible creation of multi-level models: bottom-up change support in the modeling and programming environment XModeler. - Daniel Töpel; Monika Kaczmarek-Heß (MoDELS (Companion), 2022)

Modeling Facets of a Warehouse with the FMMLx: A Contribution to the MULTI Warehouse Challenge. - Ulrich Frank; Pierre Maier; Daniel Töpel (MoDELS (Companion), 2023)

Comparing LML and FMMLx: A Contribution to the MULTI Collaborative Comparison Challenge. - Arne Lange; Ulrich Frank; Colin Atkinson 001; Daniel Töpel (MoDELS (Companion), 2023)

Associaton Types: Motivation, Specification and Implementation with the XModelerML. - Ulrich Frank; Daniel Töpel (MoDELS (Companion), 2024)

An Extended Concept of Delegation and its Implementation within a Modelling and Programming Language Architecture. - Ulrich Frank; Tony Clark 001; Jens Gulden; Daniel Töpel (Enterp. Model. Inf. Syst. Archit. Int. J. Concept. Model., 2024)