Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TAKESHITA RYUZO and YOSHIDA HIROSHI,"Studies on Environmental Contamination by Polychlorinated Naphthalenes (PCN). V. Evaluation for Analysis of Persistent Substances (especially, PCN) in Water",Eisei kagaku,0013-273X,The Pharmaceutical Society of Japan,1979,25,1,34-38,https://cir.nii.ac.jp/crid/1390282679473216896,https://doi.org/10.1248/jhs1956.25.34