> In 2014, when the article was written The original version was written in 1997: https://web.archive.org/web/19980126190044/http://www.gnu.org/software/reliab

> In 2014, when the article was written The original version was written in 1997: https://web.archive.org/web/19980126190044/http://www.gnu.org/software/reliability.html https://web.archive.org/web/19980126190044/http://www.gnu.or... Pages like these should still be kept up to date, of course.