The Representation of Energy, Energy Carriers and Fuels in the Open Energy Ontology. - Mirjam Stappel; Lukas Emele; Ludwig Hülk; Hannah Förster (JOWO, 2022)

NFDI4Energy Case-Study: Comparative Analysis and Visualisation of Long-Term Energy System Scenarios. - Mirko Schäfer; Ramiz Qussous; Ludwig Hülk; Johan Lilliestam; Anke Weidlich (CoRDI, 2023)

Improving Data Reliability in Germany's Energy System: A Validation of Unit Locations of the Marktstammdatenregister. - Deniz Tepe; Florian Kotthoff; Christoph Muschner; Esther Vogt; Ludwig Hülk (CoRR, 2023)

open-mastr: A Python Package to Download and Process the German Energy Registry Marktstammdatenregister. - Florian Kotthoff; Christoph Muschner; Deniz Tepe; Guido Pleßmann; Ludwig Hülk (J. Open Source Softw., 2024)