Fuerst,H. et al. Journal fuer Praktische Chemie (Leipzig), 1962 , vol. 17, p. 299 - 313 Full Text Show Details Holman, Robert W.; Sumpter, Terry L.; Farrar, John; Weigel, Kurt; Bartmess, John E. Journal of Physical Organic Chemistry, 1997 , vol. 10, # 7 p. 585 - 589