@itemize
@item @url{https://redo.readthedocs.io/en/latest/, apenwarr/redo documentation}
-@item @url{http://jdebp.eu/FGA/introduction-to-redo.html, Introduction to redo}
+@item @url{http://web.archive.org/web/20201231033027/http://jdebp.eu/FGA/introduction-to-redo.html, Introduction to redo}
@item @url{https://apenwarr.ca/log/20101214, The only build system that might someday replace make... is djb redo}
@item @url{https://habr.com/ru/post/517490/,, Make на мыло, redo сила} (on russian)
@end itemize