Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NIITSUMA N.,"Magnetostratigraphy and diatom biostratigraphy of Site 584, Deep Sea Drilling Project Leg 87, and implications for the tectonic evolution of Japanese island arcs",Initial Reports of the Deep Sea Drilling Project,,U.S. Government Printing Office,1986,87,,555-571,https://cir.nii.ac.jp/crid/1570572700265983616,