https://dl.acm.org/doi/fullHtml/10.5555/513180.513189
https://web.archive.org/web/20020331040006/http://www.3dwm.org/
https://web.archive.org/web/20240429212153/https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=e38ca60bdb73611845eeb5f601819d8acc303f55
https://www.redfoxcenter.org/GNU-Linux/WindowManager/index.html#3Dwm