1. Z. A. Bobrova and V. M. Varikash, Dokl. Akad. Nauk Belorussian SSR,30, No. 6, 510?512 (1986).
2. O. G. Vlokh, A. V. Kityk, and I. I. Polovinko, Kristallografiya,29, No. 6, 1198?1200 (1984).
3. O. G. Vlokh, A. V. Kityk, and I. I. Polovinko, Ukr. Fiz. Zh.,30, No. 2, 216?218 (1985).
4. A. Yu. Oleshchuk, P. A. Petrenko, Z. A. Bobrova, and T. I. Malinovskii, Abstracts for the Fourth All-Union School and Seminar on Ferroelastics: Properties and Applications [in Russian], Dnepropetrovsk (1988), pp. 66?67.
5. V. E. Vasil'ev, V. M. Rudyak, Z. A. Bobrova, and V. M. Varikash, Fiz. Tverd. Tela,29, No. 5, 1539?1540 (1987).