Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OSADA Toshiaki,Hayasaka Ichiro : A pioneer of Actuo-Paleontologie in Japan(Geoscientist),Earth Science (Chikyu Kagaku),0366-6611,The Association for the Geological Collaboration in Japan,2006,60,6,513-516,https://cir.nii.ac.jp/crid/1390282679242446720,https://doi.org/10.15080/agcjchikyukagaku.60.6_513