1. A. I. Golovashkin, ?High-temperature superconducting ceramics,? Usp. Fiz. Nauk,152, No. 4, 553?573 (1987).
2. T. Iton, M. Uzawa, and H. Uchikawa, ?Formation of superconducting ceramic YBa2Cu3O7?x from a mixture of Y2O3, BaCO3 and CuO,? J. Mat. Sci. Lett.,7, 130?132 (1988).
3. I. S. Semirikov, T. F. Tel'nykh et al., ?Analysis and sintering of YBa2Cu3O7?x ceramics,? in: Physicochemistry and Technology of High-Temperature Superconducting Materials [in Russian], Moscow (1988), pp. 225?226.
4. K. Okadzaki, Technology of Ceramic Dielectrics [Russian translation], Énergiya, Moscow (1976).
5. A. Blazek, Thermal Analysis, Van Nostrand Reinhold, London (1973).