Clues from copper-free samples

This publication has 6 references indexed in Scilit:

• Superconductivity near 30 K without copper: the Ba0.6K0.4BiO3 perovskite
  Nature, 1988
• Superconductivity above 20 K in the Ba-K-Bi-O system
  Physical Review B, 1988
• Possible highT c superconductivity in the Ba?La?Cu?O system
  Zeitschrift für Physik B Condensed Matter, 1986
• Bipolarons and superconductivity
  Philosophical Magazine Part B, 1985
• Mixed-valent Ba₂Bi³⁺Bi⁵⁺O₆: structure and properties vs temperature
  Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials, 1979
• High-temperature superconductivity in the BaPb1-xBixO3 systems
  Solid State Communications, 1975