Berlin-Konferenzen. Webseite der Max-Planck-Gesellschaft zu Open Access. Abgerufen am 29. September 2024.
edoc.mpg.de
"The "Berlin Declaration on Open Access to Knowledge in the Sciences and Humanities" initiated by the MPS and signed on 22nd Oct 2003 by major European research institutions and funding agencies is a clear commitment to encourage researchers to publish their work according to the principles of the open access paradigm.", siehe http://edoc.mpg.de/, abgerufen am 28. Mai 2020.