@article{lassner2021b,
    author = "Lassner, David and Coburger, Julius and Neudecker, Clemens and Baillot, Anne",
    title = "Publishing an OCR ground truth data set for reuse in an unclear copyright setting. Two case studies with legal and technical solutions to enable a collective OCR ground truth data set effort",
    journal = "Zeitschrift für digitale Geisteswissenschaften",
    volume = "Special issue 5",
    year = "2021",
    url = "https://zfdg.de/sb005\_006"
}