1. C. L. Kibby, A. I. Perotta, and F. E. Massoth, ?Composition and catalytic properties of synthetic ferrierite,? J. Catal.,35, No. 2, 256?272 (1974).
2. J. N. Miale and D. N. Olson, ?Activation of ferrierite and conversion of hydrocarbons therewith,? U.S. Patent No. 4054511 (1977).
3. David Eric Martin, ?Procedure for the preparation of Zeolite,? French Patent No. 2264777 (1975).
4. L. N. Malashevich, V. S. Komarov, A. V. Pis'mennaya, and A. I. Rat'ko, ?Synthesis, physicochemical and adsorptional properties of zeolite ferrierite with a high silicon content,? Zh. Prikl. Khim., No. 5, 1032?1035 (1981).
5. V. S. Komarov, L. N. Malashevich, and A. V. Pis'mennaya, ?Ion-exchange and catalytic properties of zeolite ferrierite with a high silicon content,? Dokl. Akad. Nauk BSSR, No. 4, 332?335 (1981).