This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Le cycle fondamental de la documentation. fr Schma illustrant le cycle de la documentation Mundaneum Mundaneum other versions Custom marker PDoldauto Uploaded with Mundaneum Paul Otlet Encyclopaedia Universalis Mundaneum
Page 2023 Free-images.com. All images are Public Domain