Helling, P. et al. 2018. The consulting workflow of the Data Center for the Humanities (DCH) at the University of Cologne. o-bib. Das offene Bibliotheksjournal / Herausgeber VDB. 5, 4 (Dec. 2018), 248–261. DOI:https://doi.org/10.5282/o-bib/2018H4S248-261.