National Center for Biotechnology Information. "PubChem Compound Summary for CID 1119, Sulfur Dioxide" PubChem, https://pubchem.ncbi.nlm.nih.gov/compound/Sulfur-Dioxide. Accessed 4 March, 2023.
"Sulfur dioxide." Britannica School, Encyclopædia Britannica, 4 Jan. 2019. libraries.state.ma.us/login?eburl=https%3A%2F%2Fschool.eb.com&ebtarget=%2Flevels%2Fhigh%2Farticle%2Fsulfur-dioxide%2F473414&ebboatid=9264953. Accessed 16 Feb. 2023.
"Sulfur Dioxide ." Chemical Compounds. . Encyclopedia.com. 22 Feb. 2023
"Sulfur Dioxide." Chemical Compounds, edited by Neil Schlager et al., vol. 3, UXL, 2006, pp. 819-23. Gale eBooks, link.gale.com/apps/doc/CX3441700201/GVRL?u=mlin_m_newtnsh&sid=bookmark-GVRL&xid=6f6b7e6e. Accessed 2 Mar. 2023.
"Sulfur Dioxide." The Gale Encyclopedia of Science, edited by Katherine H. Nemeh and Jacqueline L. Longe, 6th ed., vol. 7, Gale, 2021, pp. 4320-21. Gale in Context: Science, link.gale.com/apps/doc/CX8124402387/SCIC?u=mlin_m_newtnsh&sid=bookmark-SCIC&xid=f5ab62e9. Accessed 3 Mar. 2023.
"Sulfur Dioxide (SO2)." Climate Change: In Context, edited by Brenda Wilmoth Lerner and K. Lee Lerner, vol. 2, Gale, 2008, pp. 824-25. In Context Series. Gale in Context: Science, link.gale.com/apps/doc/CX3079000240/SCIC?u=mlin_m_newtnsh&sid=bookmark-SCIC&xid=4d39cd36. Accessed 3 Mar. 2023.