Ship & Ocean Foundation, Tsukuba Research Institute

Ship & Ocean Foundation, Tsukuba Research Institute,

2 Minamihara, Tsukuba-shi, Ibaraki-ken 305-0803, Japan

Tamama Hiroshi

tel: +81-3-3502-1966

fax: +81-3-3502-2033

e-mail: softama@blue.ocn.ne.jp