Hoffmann, B., Mitchell, G. T., Gendron, P., Major, F., Andersen, A. A., Collins, R. A., & Legault, P. (2003). NMR structure of the active conformation of the Varkud satellite ribozyme cleavage site. National Academy of Sciences.

Hoffmann, Bernd, G. Thomas Mitchell, Patrick Gendron, François Major, Angela A. Andersen, Richard A. Collins, e Pascale Legault. NMR Structure of the Active Conformation of the Varkud Satellite Ribozyme Cleavage Site. National Academy of Sciences, 2003.

Hoffmann, Bernd, et al. NMR Structure of the Active Conformation of the Varkud Satellite Ribozyme Cleavage Site. National Academy of Sciences, 2003.