TPDL 2019: 23rd International Conference on Theory and Practice of Digital Libraries September 9-12, 2019OsloMet – Oslo Metropolitan University, Oslo, Norway Foto: VisitOSLO/Thomas JohannessenFoto: VisitOSLO/Nancy BundtFoto: VisitOSLO/Thomas Johannessen Foto: VisitOSLO/Didrick StenersenFoto: VisitOSLO/Didrick StenersenFoto: VisitOSLO/Didrick Stenersen Proceedings access: https://link.springer.com/book/10.1007/978-3-030-30760-8