Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) FUJIKAWA Yoshiro,The Water Quality of River Nayoro,市立名寄短期大学紀要,09165975,Nayoro City University,1992-03,24,,59-72,https://cir.nii.ac.jp/crid/1570291227642899200,