M. Sagara, K. Noda, Y. Katada, and T. Kodama, Critical Factors in Localized Corrosion IV (The Electrochemical Society Proceedings), 2002-24, p. 411 (2002). F. Loëte, B. Vuillemin, and R. Oltra, ECS Trans., 3(31), 23 (2007).