&quot; Preliminary Cruise Report on the Japan/SOPAC Deep-sea Cooperative Mineral Resources Study Programme, R/V Hakurei-Maru No.2, Marshall Islands &quot; , SOPAC preliminary report 152, 2002.
&quot; Preliminary Cruise Report on the Japan/SOPAC Deep-sea Cooperative Mineral Resources Study Programme, R/V Hakurei-Maru No. 2, Marshall Islands &quot; , SOPAC preliminary report 152, 2002.