Holzer A. Wozu Open-Access-Transformationsverträge?. o-bib [Internet]. 2017 Jul. 14 [cited 2025 Aug. 11];4(2):87-95. Available from: https://o-bib-ojs3test.ub.uni-muenchen.de/index.php/bib/article/view/2017H2S87-95