Calzolai, L., Lysek, D. A., Güntert, P., von Schroetter, C., Riek, R., Zahn, R., & Wüthrich, K. (2000). NMR structures of three single-residue variants of the human prion protein. The National Academy of Sciences.

Calzolai, Luigi, Dominikus A. Lysek, Peter Güntert, Christine von Schroetter, Roland Riek, Ralph Zahn, and Kurt Wüthrich. NMR Structures of Three Single-residue Variants of the Human Prion Protein. The National Academy of Sciences, 2000.

Calzolai, Luigi, et al. NMR Structures of Three Single-residue Variants of the Human Prion Protein. The National Academy of Sciences, 2000.