Corrosion Products Formed on Silver and Copper Plates Exposed in a Volcanic Area Watanabe, Masamitsu ; Handa, Takao ; Ichino, Toshihiro ; Kuwaki, Nobuo Abstract Publication: ECS Transactions Pub Date: February 2008 DOI: 10.1149/1.2838451 Bibcode: 2008ECSTr...3Q..27W