Porter, Quentin N.; Utley, James H. P.; Machion, Pedro D.; Pardini, Vera L.; Schumacher, Paolo R.; Viertler, Hans
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984 , # 5 p. 973 - 979

Gupta, D.
Acta Chimica Academiae Scientiarum Hungaricae, 1981 , vol. 108, # 1 p. 31 - 36

Bonifacic, M.; Weiss, J.; Chaudhri, Shamim A.; Asmus, K.-D.
Journal of Physical Chemistry, 1985 , vol. 89, # 18 p. 3910 - 3914

Velsicol Corp.
Patent: US2510893 , 1946 ;