d' Auvergne, E., & Gooley, P. R. (2008). Optimisation of NMR dynamic models II. A new methodology for the dual optimisation of the model-free parameters and the Brownian rotational diffusion tensor. Journal of Biomolecular NMR, 40(2), 121-133. Retrieved from http://springerlink.metapress.com/content/u170k174t805r344/fulltext.pdf.