Davis, Franklin A.; Rizvi, Syed Q. A.; Ardecky, Robert; Gosciniak, Donald J.; Friedman, Arthur J.; Yocklovich, Steven G.
Journal of Organic Chemistry, 1980 , vol. 45, # 9 p. 1650 - 1653
Olah, George A.; Husain, Altaf; Gupta, B. C. Balaram; Salem, George F.; Narang, Subhash C.
Journal of Organic Chemistry, 1981 , vol. 46, p. 5212 - 5214