1. 1. Modulated Structures - 1979 (Kailua Kona, Hawaii) Ed. J. M. Cowley, J. B. Cohen, M. B. Salamon, B. J. Wuensch (AIP, New York, 1979)
2. 2. Proceedings of ASM-MSD Symposium, New Orleans (1986), to be published.
3. S. M. Shapiro, Y. Hada, Y. Fujii, and Y. Yamada, Phys. Rev. B 30, 4314 (1984)
4. M. B. Salamon, M. E. Meichle, and C. M. Wayman, Phys. Rev. B 31, 7306 (1985).
5. S. M. Shapiro, J. Z. Larese, Y. Hada, S. C. Moss and L. E. Tanner (private communication, to be published).