Author's Organization:Department of Gerlogy and Mineralogical Sciences,Yamaguchi University Department of Gerlogy and Mineralogical Sciences,Yamaguchi University Hiruzen Research Institute,Okayama University of Science
Published: December 15, 1991Received: April 26, 1991Available on J-STAGE: April 11, 2008Accepted: July 15, 1991
Advance online publication: -
Revised: -