Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yoshida T.,On the Pollution of the Ocean(Environmental Pollution and Navigation),NAVIGATION,0450660X,Japan Institute of Navigation,1973,39,0,11-18,https://cir.nii.ac.jp/crid/1390001206051068800,https://doi.org/10.18949/jinnavib.39.0_11