Bond DR, Lovley DR.  2005.  Evidence for involvement of an electron shuttle in electricity generation by Geothrix fermentans.. Appl Environ Microbiol. 71(4):2186-9.

Tender LM, Reimers CE, Stecher HA, Holmes DE, Bond DR, Lowy DA, Pilobello K, Fertig SJ, Lovley DR.  2002.  Harnessing microbially generated power on the seafloor.. Nat Biotechnol. 20(8):821-5.