References
- Scott , J. F. 1979 . Rep. Prog. Phys. , 12 : 1055
- Cox , D. E. , Shapiro , S. M. , Cowley , R. A. , Eibscutz , M. and Guggenheim , H. J. 1979 . Phys. Rev. B , 19 : 5754
- Dvorak , V. and Fousek , J. 1980 . Phys. Stat. Solidi A , 61 : 99
- Patashinsky , A. Z. and Pokrovsky , V. L. 1975 . Fluctuational theory of Phase Transitions , 34 Moscow : Nauka . (in Russian)
- Pisarev , R. V. , Krichevtzov , B. B. , Markovin , P. A. , Yu , O. and Korchunov Scott , J. F. 1983 . Phys. Rev. B , 28 : 2677
- 1984 . Ferroelectrics , 56 : 99
- Schafer , F. J. , Kleemann , W. and Tsuboi , T. 1983 . J. Phys. C Solid St. Phys. , 16 : 3987
- Kizhaev , S. A. and Pisarev , R. V. 1984 . Sov. Phys. Solid State , 26 : 1669
- Chupis , I. E. 1980 . Abstracts 21 Low Temp. Physies Conf. , : 173
- Holmes , L. , Eibschütz , M. and Guggenheim , H. J. 1969 . Sol. St. Commun. , 7 : 973
- Zorin , R. V. , Alshin , B. I. , Astrov , D. N. and Tischenko , A. V. 1972 . Sov. Phys. Sol. State , 14 : 3103