Geht in diese Richtung:
"Distinguishing between plainly unavailable URLs, server errors, and links to the Internet Archive, loss rates could be determined to be around 5% per year, leading up to 25% to 50% of pre-2000 DSEs [Digital Scholarly Editions] being unavailable."
Kurzmeier, M., O'Sullivan, J., Pidd, M., Murphy, O. & Wessels, B., (2024) “Visualising the Catalogues of Digital Editions”, The Journal of Electronic Publishing 26(1). doi: https://doi.org/10.3998/jep.3569










