* The [[NS R1rho 2-site]] model at [http://article.gmane.org/gmane.science.nmr.relax.scm/18477 r20721]
* The [[TP02]] model at [http://article.gmane.org/gmane.science.nmr.relax.scm/18239 r20483]
* The [[DPL94]] model at [http://article.gmane.org/gmane.science.nmr.relax.scm/17753 r19997]
* The [[M61 skew]] model at [http://article.gmane.org/gmane.science.nmr.relax.scm/17724 r19968]