"Chemical Reactions." Chemistry Explained, www.chemistryexplained.com/Ce-Co/Chemical-Reactions.html.
Rice, Stuart A. "Interfering for the Good of a Chemical Reaction." Nature News, Nature Publishing Group, 18 Jan. 2001, www.nature.com/articles/35053211.Service, Robert F. "Chemists May Be Zeroing in on Chemical Reactions that Sparked the First Life." Science, 19 May 2017,www.sciencemag.org/news/2017/05/chemists-may-be-zeroing-chemical-reactions-sparked-first-life.