Further reading

George A. Olah, G.K. Surya Prakash and Jean Sommer, Superacids. John Wiley and Sons, New York (1985).

Per Ahlberg, Göran Jonsäll and Carin Engdahl, Degenerate Carbocation Rearrangements. Advances in physical organic chemistry (1983), 19, 223-379.

Information about the Nobel Prize in Chemistry 1994 (press release), The Royal Swedish Academy of Sciences