Elsner, Carsten, et al. “From Bottom up to Top down Survey: Researchers in the Engineering Sciences Expect Clear Framework Conditions for Open Access and Open Educational Resources from University Management: Umfrage: Forschende Der Ingenieurwissenschaften Erwarten Klare Rahmenbedingungen Von Den Hochschulleitungen Bei Open Access Und Open Educational Resources”. O-Bib. Das Offene Bibliotheksjournal Herausgeber VDB, vol. 6, no. 2, July 2019, pp. 80-91, https://doi.org/10.5282/o-bib/2019H2S80-91.