Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yoshida Kazuhiko,On the Origin of the Indo-European Thematic Present,GENGO KENKYU (Journal of the Linguistic Society of Japan),00243914,The Linguistic Society of Japan,2022,162,0,119-144,https://cir.nii.ac.jp/crid/1390293865788928256,https://doi.org/10.11435/gengo.162.0_119