Added a modified version of figure 1 from Morin and Gagne (JBNMR, 2009).
http://dx.doi.org/10.1007/s10858-009-9381-4
File formats are .agr (xmgrace), eps (gzipped), and png.
This follows a discussion started by Edward d'Auvergne at:
https://mail.gna.org/public/relax-devel/2012-09/msg00019.html
(Message-id: <CAED9pY8XhmmvyfBS7mZA8XZ=4mJZe9TuGjARHoV2tVcjjV9SrQ@...>)