Superconducting phases in Bi-Sr-Ca-Cu-O system Z.X. Zhao, L.Q. Chen, Y.Z. Huang, Z.H. Mai, J.H. Wang, Z.Y. Ran, X. Chu, Z.L. Xiao, Y.F. Yan, D.N. Zheng et al. (4 more) Ann. Phys. Fr., 13 5 (1988) 339-348 Published online: 01 June 2004 DOI: 10.1051/anphys:01988001305033900