Ships hull corrosion diagnosis from close measurements of electric potential in the water A. Guibert, O. Chadebec, J.-L. Coulomb, C. Rannou and R. P. Nogueira Eur. Phys. J. Appl. Phys., 52 2 (2010) 23310 Published online: 21 October 2010 DOI: 10.1051/epjap/2010145