Dae Jin Sung; Dong Ju Moon; Yong Jun Lee; Suk-In Hong (2004). “Catalytic Pyrolysis of Difluorochloromethane to Produce Tetrafluoroethylene”. International Journal of Chemical Reactor Engineering. 2: A6. doi:10.2202/1542-6580.1065. S2CID97895482.
EPA Alumni Association: Senior EPA officials discuss early implementation of the Safe Drinking Water Act of 1974, Video, TranscriptLưu trữ 2022-01-28 tại Wayback Machine (see pages 12-13).
Dae Jin Sung; Dong Ju Moon; Yong Jun Lee; Suk-In Hong (2004). “Catalytic Pyrolysis of Difluorochloromethane to Produce Tetrafluoroethylene”. International Journal of Chemical Reactor Engineering. 2: A6. doi:10.2202/1542-6580.1065. S2CID97895482.
EPA Alumni Association: Senior EPA officials discuss early implementation of the Safe Drinking Water Act of 1974, Video, TranscriptLưu trữ 2022-01-28 tại Wayback Machine (see pages 12-13).