1. E. G. Rochow, J. Am. Chem. Soc., 1948, 70, 2170.
2. US Pat. 2473, 260, June 14, 1949.
3. W. E. Newton, E. G. Rochow, Inorg. Chem., 1970, 9, 1071.
4. US Pat. 3641077, 1972.
5. S. H. Kareem, F. A. AlSaady, N. A. Hikmat, J. Assoc. Arab. Universities for Basic and Applied Sciences, 2012, 12, 27.