References
- Kharasch , M. S. and Brown , H. C. 1939 . J. Am. Chem. Soc. , 61 : 3432 2142
- Bolton , R. 1968 . J. Chem. Soc. (B) , : 714 see also R. Bolton and P. B. D, de la Mare, J. Chem. Soc. (B), 1967, 1044; R. Bolton, J. Chem. Soc., 1968, 712;, 1970, 1770