Author's Organization:Kansai Branch,Nihon Public Co.,Ltd., Department of Earth Sciences,Faculty of Science,Yamaguchi University Department of Geoscience,Faculty of Science and Engineering,Shimane University
Published: March 15, 1998Received: June 02, 1997Available on J-STAGE: April 11, 2008Accepted: November 25, 1997
Advance online publication: -
Revised: -