1. Z. Z. Sheng, A. M. Herman, A. El Ali, C. Almasan, and T. Datta, Phys. Rev. Lett., in press;
2. Z. Z. Sheng, A. M. Herman, A. El Ali, C. Almasan, and T. Datta, Phys. Rev. Lett., in press; Nature (London), in press.
3. R. M. M. Hazen, D. W. Finger, R. J. Angel, C. T. Prewitt, and C. C. Haidiacos, Phys. Rev. Lett., to be published.
4. Crystal structure of the high-temperature superconductor TI2Ba2CaCu2O8
5. Tl2Ba2CaCu2O8: STRUCTURE AND SUPERCONDUCTIVITY