Author's Organization:Department of Environmental Earth Sciences,Aichi University of Education Division of Earth and Planetary Sciences,Graduate School of Science,Kyoto University Department of Earth and Environmental Sciences,Faculty of Science,Yamagata University
Published: October 15, 1998Received: April 20, 1998Available on J-STAGE: April 11, 2008Accepted: June 25, 1998
Advance online publication: -
Revised: -