Everett, Stephen T.; Purrington, Suzanne T.; Bumgardner, Carl L.
Journal of Organic Chemistry, 1984 , vol. 49, # 20 p. 3702 - 3706

Hammond, Gerald B.; Mae, Masayuki; Hong, Jiyoung A.; Hurst, Harrell E.
Journal of Fluorine Chemistry, 2006 , vol. 127, # 1 p. 126 - 132