1. L Yu. Dolgikh, N. I. Il'chenko, F. M. Bobonich, and Yu. G. Voloshina, Neftekhimiya,32, No. 6, 7459?7467 (1992).
2. L. V. Mishin, A. L. Klyachko, T. R. Brueva, and A. A. Dergachev, Fourth All-Union Conference on ?Application of Zeolites in Catalysis,? Abstracts [in Russian], Nauka, Moscow (1989), pp. 25?28.
3. F. M. Bobonich, V. N. Solomakha, Yu. G. Voloshina, and G. M. Tel'biz, Ukr. Khim. Zh.,55, No. 8, 803?808 (1989).
4. S. P. Zhdanov, S. S. Khvoshchev, and N. N. Samulevich, Synthetic Zeolites [in Russian], Khimiya, Moscow (1981).
5. F. M. Bobonich, Yu. G. Voloshina, and V. N. Solomakha, Ukr. him. Zh.,57, No. 2, 141?145 (1991).