Author's Organization:Department of Geosciences,Faculty of Science,Osaka City University Department of Geosciences,Faculty of Science,Osaka City University Department of Geosciences,Faculty of Science,Osaka City University
Published: December 15, 1991Received: June 14, 1991Available on J-STAGE: April 11, 2008Accepted: September 28, 1991
Advance online publication: -
Revised: -