Mader, Karolina, and Maike Kleemeyer. “Castellum: A Data Protection-Compliant Web Application for the Subject Management of Human Science Studies”. Proceedings of the Conference on Research Data Infrastructure 1 (September 7, 2023). Accessed May 8, 2024. https://www.tib-op.org/ojs/index.php/CoRDI/article/view/325.