References
- Seifert, Helmut. Pt. 2558293 . 1977 . FRG
- Simoni , F. and Bartolino , R. 1983 . Mol. Cryst. and Liquid Cryst. , 98 ( N1–4 ) : 243 – 26 .
- Adamchik , A. and Strugalsky , Z. 1976 . Liquid crystals. , Warsaw : Nauka i technika .
- Abbas-Zadeh , A. A. and Khanukayev , B. B. N. C. Khanukayeva Proceedings of V Congress of Socialist Countries on Liquid Crystals . Odessa. Vol. 1 , pp. 72 Part II
- Ismailov , T. K. , Abbas-Zadeh , A. A. , Khanukayev , B. B. and Khartumov , Sh. G. Pt. 1081612, USSR . 1984 .
- Abbas-Zadeh , A. A. , Khanukayeva , N. C. and Khanukayev , B. B. 1985 . Optika i spektroskopiya , 58 : 102 – 105 .
- Shurkliff , W. 1962 . Polarized light , Massachusetts : Harvard University Press .
- Abbaa-Zadeh , A. A. , Akhundova , Kh. M. and Shukurov , M. M. 1987 . “ Proceedings of the All-Union seminar ” . In Liquid Crystals Optics Leningrad