Origin and Correlation of Three Tephras That Erupted During Oxygen Isotope Stage 3 Found in Cores from the Yamato Basin, Central Japan Sea
日本海中部大和海盆から採取された酸素同位体ステージ3に噴出した3枚の火山灰

Ken Ikehara, Kiyoshi Kikkawa, Jong-Hwa Chun
2004 The Quaternary Research (Daiyonki-Kenkyu)  
doi:10.4116/jaqua.43.201 fatcat:a5zyamoux5h73mho2oezzzsq74