http://opensource.platon.org/forum/projects/viewtopic.php?p=12554650#12554650
http://opensource.platon.org/forum/projects/viewtopic.php?p=12554670#12554670
http://scorpitou.design.free.fr/TES2/?article54/livre-d-or#comments
https://sites.northwestern.edu/situationcritical/2016/11/07/the-contemporary-technology-of-the-grand-and-mundane/comment-page-6/#comment-113307
https://terminklick.stuve.fau.de/poll/oX9TPxXAU9/
https://smithonline.smith.edu/mod/forum/discuss.php?d=83690#p85722
https://sholinkportal.microsoftcrmportals.com/forums/general-discussion/b0aad61f-8fc4-ee11-92bd-6045bd867833
https://demo.hedgedoc.org/