References
- Blinc , R. and Levanyuk , A. P. , eds. 1986 . Incommensurate Phases in Dielectrics , Amsterdam : North-Holland . Part 1 and Part 2
- Hoshizaki , H. , Sawada , A. and Ishibashi , Y. 1979 . J. Phys. Soc. Jpn. , 47 : 431
- Berger , J. , Benoit , J. P. , Garland , C. W. and Wallace , P. W. 1986 . J. Physique , 47 : 483
- Karajamaki , E. , Laiho , R. and Levola , T. 1983 . J. Phys. , C16 : 6531
- Wada , M. , Sawada , A. , Ishibashi , Y. and Takagi , Y. 1977 . J. Phys. Soc. Jpn. , 42 : 1229
- Takashige , M. and Nakamura , T. 1980 . Ferroelectrics , 24 : 1430
- Bon , A. M. , Almairac , R. , Nassiri , P. , Benoit , C. and Ribet , J. L. 1980 . Phys. Stat. Sol. (b) , 101 : K87
- Satoh , H. 1987 . Master thesis Tohoku Univ. . unpublished
- Chandrasecharan , V. 1951 . Proc. Indian Acad. Sci. , A33 : 183
- Cummins , H. Z. 1979 . Philos. Trans. R. Soc. London. , A293 : 393
- An , C. X. , Benoit , J. P. , Hauret , G. and Chapelle , J. P. 1979 . Solid State Commun. , 31 : 581
- Hauret , G. and Benoit , J. P. 1982 . Ferroelectrics , 40 : 1