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https://pure.psu.edu/en/publications/superconductivity-in-the-high-tc-bi-ca-sr-cu-o-system-phase-ident/ Superconductivity in the high-Tc Bi-Ca-Sr-Cu-O system: Phase identification - Penn State in thebi capenn statesuperconductivityhigh https://collaborate.princeton.edu/en/publications/hall-effect-of-the-high-tc-superconducting-oxides-bi-ca-sr-cu-o-a/fingerprints/ Hall effect of the high-Tc superconducting oxides Bi-Ca-Sr-Cu-O and Tl2Ca2Ba2Cu3Ox - Fingerprint -... hall effectof thebi cahighsuperconducting