下北半島沖海底コアMD01‐2409中に介在する濁川テフラ
Nigorikawa Tephra Recognized in the Sediment Core MD01-2409 Collected off the Shimokita Peninsula

K. Aoki, K. Ohkushi
2006 The Quaternary Research (Daiyonki-Kenkyu)  
doi:10.4116/jaqua.45.257 fatcat:g74m3pwfwbcbfg4ta6qsca4jqm