大阪冲積層基底より産出した木材の絶対年代
Absolute Chronology of Fossil-Wood found at the Base of the Recent Deposits, Osaka

Minoru ITIHARA, Kunihiko KIGOSHI
1960 Earth Science (Chikyu Kagaku)  
doi:10.15080/agcjchikyukagaku.1960.52_18 fatcat:ssuuahftd5dvhjf6xsmobprhai