For reference, the following links are also part of the announcement for this release:
* [http://wiki.nmr-relax.com/Relax_1.3.9 Official release notes]
* [https://{{gna link|url=gna.org/forum/forum.php?forum_id=2256 |text=Gna! news item]}}
* [http://article.gmane.org/gmane.science.nmr.relax.announce/29 Gmane]
* [http://www.mail-archive.com/relax-announce%40gna.org/msg00021.html Mail archive]