Son, Seok-Jin, Ji-Young Seo, Young-Ho Shin, Wan-Ho Ryu, Sung-Bae Jung, and Cheol-Gyu Kim. 2015. “Chemical Treatment of Polychlorinated Biphenyls in Waste Insulating Oil by Using Chromium Oxide Catalyst”. Asian Journal of Chemistry 27 (11):4235-38. https://doi.org/10.14233/ajchem.2015.19498.