Ikegami, T., Verdier, L., Sakhaii, P., Grimme, S., Pescatore, B., Saxena, K., et al. (2004). Novel techniques for weak alignment of proteins in solution using chemical tags coordinating lanthanide ions. Journal of Biomolecular NMR, 29(3), 339-349. Retrieved from http://springerlink.metapress.com/content/tgv6328l7l392197/fulltext.pdf.