1. P. A. Gembitskii, D. S. Zhuk, and V. A. Kargin,Khimiya etilenimina [Chemistry of Ethylenimine], Nauka, Moscow, 1966, 101 p. (in Russian).
2. O. G. Khomutov, V. I. Filyakova, and K. I. Pashkevich,Izv. Akad. Nauk, Ser. Khim., 1994, 282 [Russ. Chem. Bull., 1994,43, 261 (Engl. Transl.).].
3. C. H. Norman and W. A. Roland,J. Am. Chem. Soc., 1949,71, 711.
4. V. I. Filyakova, R. R. Latypov, and K. I. Pashkevich,Izv. Akad. Nauk, Ser. Khim., 1993, 2134 [Russ. Chem. Bull., 1993,42, 2047 (Engl. Transl.)].