Electron microscopy and microanalysis of a YBa2Cu3Ox superconducting oxide - Dou, S. X.; Bourdillon, A. J.; Sorrell, C. C.; Ringer, S. P.; Easterling, K. E.; Savvides, N.; Dunlop, J. B.; Roberts, R. B. (American Institute of Physics (AIP), 1987)
http://dx.doi.org/10.1063/1.98390
Keywords: U