M. K. Wu, J. R. Ashburn, C. J. Torng, P. H. Hor, R. L. Meng, L. Gao, Z. J. Huang, Y. Q. Wang, and C. W. Chu: Superconductivity at 93 K in a new Mixed-Phase Y-Ba-Cu-O Compound System at Ambient Pressure. In: Phys. Rev. Lett. 58. Jahrgang, Nr.9, 1987, S.908–910, doi:10.1103/PhysRevLett.58.908, PMID 10035069, bibcode:1987PhRvL..58..908W.
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M. K. Wu, J. R. Ashburn, C. J. Torng, P. H. Hor, R. L. Meng, L. Gao, Z. J. Huang, Y. Q. Wang, and C. W. Chu: Superconductivity at 93 K in a new Mixed-Phase Y-Ba-Cu-O Compound System at Ambient Pressure. In: Phys. Rev. Lett. 58. Jahrgang, Nr.9, 1987, S.908–910, doi:10.1103/PhysRevLett.58.908, PMID 10035069, bibcode:1987PhRvL..58..908W.
M. K. Wu, J. R. Ashburn, C. J. Torng, P. H. Hor, R. L. Meng, L. Gao, Z. J. Huang, Y. Q. Wang, and C. W. Chu: Superconductivity at 93 K in a new Mixed-Phase Y-Ba-Cu-O Compound System at Ambient Pressure. In: Phys. Rev. Lett. 58. Jahrgang, Nr.9, 1987, S.908–910, doi:10.1103/PhysRevLett.58.908, PMID 10035069, bibcode:1987PhRvL..58..908W.