1. K. Knížek, M. Veverka, E. Pollert
    Preparation of Hg0.8Cr0.2Ba2CuO4+delta under controlled oxygen and mercury partial pressures
    Physica C 311 (1999) 303 - 309
  2. K. Knížek, M. Veverka, E. Pollert, I. Bryntse, C. Michel, B. Raveau
    Journal of Low Temperature Physics 117 (1999) 879-883.
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    Oxygen content and superconductivity in Y0.8Ca0.2Ba2Cu3Oy (y=6.03-6.89)
    Phys. Rev. B 54 (1996) 16226 - 16233