TY - CPAPER AU - van Eechoud, M. PY - 2021 DA - 2021-09-29 T1 - Public Sector Information Reuse and Copyright UR - https://www.ivir.nl/publications/public-sector-information-reuse-and-copyright/vaneechoud-alai-2021-psi-and-copyright/ K1 - Copyright K1 - public sector information ER -