[1] RFC 2026 - The Internet Standards Process -- Revision 3 (1/29/2017, 8:15:51 AM) <https://tools.ietf.org/html/rfc2026>

[2] RFC Errata Report » RFC Editor (2/9/2017, 9:13:56 AM) <https://www.rfc-editor.org/errata_search.php?rfc=2026>