Superconductivity in alkaline earth-substituted La2CuO 4-yJ. Georg BednorzK. Alex Mülleret al.1987Science
High-temperature superconductivity -state of the research: ExperimentsK. Alex Müller2007Physica Scripta
Two Gap Behavior Observed in YBCO (100) a-Axis, (110) c-Axis Tunnel JunctionsK. Alex Müller1996Journal of the Physical Society of Japan