Enzmann, Johannes ; Ringel, Marc (2023)
Reducing Road Transport Emissions in Europe: Investigating A Demand Side Driven Approach.
In: Sustainability, 2020, 12 (18)
doi: 10.26083/tuprints-00015971
Article, Secondary publication, Publisher's Version

Ringel, Marc (2023)
Tele-Coupling Energy Efficiency Polices in Europe: Showcasing the German Governance Arrangements.
In: Sustainability, 2018, 10 (6)
doi: 10.26083/tuprints-00016031
Article, Secondary publication, Publisher's Version

Ringel, Marc (2021)
Smart City Design Differences: Insights from Decision-Makers in Germany and the Middle East/North-Africa Region.
In: Sustainability, 2021, 13 (4)
doi: 10.26083/tuprints-00019318
Article, Secondary publication, Publisher's Version