Author's Organization：Kiso-Jiban Consultants Co.,Ltd.,Kyushu Branch Department of Earth Sciences,Kumamoto University Research Institute of Natural Sciences,Okayama University of Science
Published: October 15, 1997Received: September 03, 1996Available on J-STAGE: April 11, 2008Accepted: April 01, 1997
Advance online publication: -
Revised: -
