Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yamaguchi Hisanosuke and Ohara Tsunehiro,"Groundwater in Rishiri Island, Hokkaido (No. 1)",Journal of the Japan Society of Engineering Geology,0286-7737,Japan Society of Engineering Geology,1971,12,2,109-120,https://cir.nii.ac.jp/crid/1390282679072097920,https://doi.org/10.5110/jjseg.12.109