References
- Leadbetter , A. J. , Frost , J. C. and Mazid , M. A. 1979 . J. de Physique Lett. , 40 : L-325
- Moncton , D. E. and Pindak , R. 1979 . Phys. Rev. Lett. , 43 : 701
- Moncton , D. E. and Pindak , R. 1980 . Ordering in Two Dimensions , Edited by: Sinha , S. K. New York : North Holland .
- Collett , J. , Sorensen , L. , Pershan , P. and Als-Nielsen , J. private communication
- Birgeneau , R. J. and Litster , J. D. J. Phys. (Paris) Lett. , 39 399
- Huang , C. C. , Viner , J. M. , Pindak , R. and Goodby , J. W. 1981 . Phys. Rev. Lett. , 46 : 1289 J. Viner, D. Lamey, C. C. Huang, R. Pindak and J. W. Goodby, Phys. Rev., A28, 2433 (1983)
- Lewis , M. , Fishel , D. , Mahmood , R. and Johnson , D. for n = 4, 6 and 12, unpublished
- Goodby , J. W. and Pindak , R. 1981 . Mol. Cryst. Liq. Cryst. , 75 : 233
- Goodby , J. W. 1984 . Liquid Crystals and Ordered Fluids , Edited by: Griffin , A. C. and Johnson , J. F. Vol. 4 , 175 Plenum .