KÖPPEN, Veit; BOSSE, Sascha; SCHULZ, Christian. User Story: Besuchernachweis im Covid-19-Kontext. o-bib. Das offene Bibliotheksjournal / Herausgeber VDB, [S. l.], v. 7, n. 2, p. 1–11, 2020. DOI: 10.5282/o-bib/5609. Disponível em: https://o-bib-ojs3test.ub.uni-muenchen.de/index.php/bib/article/view/5609. Acesso em: 12 aug. 2025.