Krause, S., Pansegrau, W., Lurz, R., de la Cruz, F., & Lanka, E. (2000). Enzymology of Type IV Macromolecule Secretion Systems: The Conjugative Transfer Regions of Plasmids RP4 and R388 and the cag Pathogenicity Island of Helicobacter pylori Encode Structurally and Functionally Related Nucleoside Triphosphate Hydrolases. J Bacteriol.

Krause, Sabine, Werner Pansegrau, Rudi Lurz, Fernando de la Cruz, et Erich Lanka. "Enzymology of Type IV Macromolecule Secretion Systems: The Conjugative Transfer Regions of Plasmids RP4 and R388 and the Cag Pathogenicity Island of Helicobacter Pylori Encode Structurally and Functionally Related Nucleoside Triphosphate Hydrolases." J Bacteriol 2000.

Krause, Sabine, et al. "Enzymology of Type IV Macromolecule Secretion Systems: The Conjugative Transfer Regions of Plasmids RP4 and R388 and the Cag Pathogenicity Island of Helicobacter Pylori Encode Structurally and Functionally Related Nucleoside Triphosphate Hydrolases." J Bacteriol 2000.