1. Possible highT c superconductivity in the Ba?La?Cu?O system
2. J.K. Liang, J.Q. Huang, G.H. Rao, S.S. Xie, Y.L. Zhang, G.C. Che and X.R. Cheng, to be published.
3. Y.J. Zhang, G.C. Che, J.K. Liang, X.R. Cheng, Q.S. Yang, D.N. Zheng, J.H. Wang, J.Q. Huang, S.L. Jia, Y,M. Ni, Z.X. Zhao. D.H. Shen and S.S. Xie, to be published.
4. J.K. Liang, S.S. Xie, Y.L. Zhang, G.C. Che, G.H. Rao, J.Q. Huang and X.R. Cheng, to be published.
5. Evidence for superconductivity above 40 K in the La-Ba-Cu-O compound system