APPLIED PHYSICS LETTERS, vol. 84, no. 7, page. 1120 - 1122, 2004-02-16
ELECTROCHEMICAL AND SOLID STATE LETTERS, vol. 7, no. 12, page. G313 - G315, 2004-01
METALS AND MATERIALS INTERNATIONAL, vol. 10, no. 6, page. 555 - 558, 2004-12