1. J. G. Bednorz and K. A. Müller,Z. Phys. B, Cond. Matter 64, 189 (1986).
2. J. W. Halley, ed.,Theory of High-Temperature Superconductivity (Addison-Wesley, Redwood City, California, 1988).
3. Progress in High-Temperature Superconductivity, Vol. 14,1988
4. D. M. Ginsberg, ed.,Physical Properties of High-Temperature Superconductors. I (World Scientific, Singapore, 1989).
5. S. A. Wolf and V. Z. Kresin,Novel Superconductivity (Plenum, New York, 1987); K. Kitazawa and T. Ishiguro, eds.,Advances in Superconductivity (Springer, Tokyo, 1989).