Author's Organization:Institute of Geology and Paleontology, Tohoku University Institute of Geology and Paleontology, Tohoku University Institute of Geology and Paleontology, Tohoku University
Published: May 15, 1984Received: January 09, 1984Available on J-STAGE: April 11, 2008Accepted: February 13, 1984
Advance online publication: -
Revised: -