Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
OKADA Toshihiro,Takuji Ogawa's (1870-1941) Geographical Studies of China,"Geographical Review of Japa,. Ser. A, Chirigaku Hyoron",00167444,The Association of Japanese Geographers,1997,70,4,193-215,https://cir.nii.ac.jp/crid/1390001205424861696,https://doi.org/10.4157/grj1984a.70.4_193