Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SEKI Yoji,A hydrogeochemical exploration using fluoride in stream waters,Mining Geology,0026-5209,The Society of Resource Geology,1989,39,217,311-323,https://cir.nii.ac.jp/crid/1390282681501884032,https://doi.org/10.11456/shigenchishitsu1951.39.217_311