Citation: Izumi, M.; Asano, H.; Yabe, T.; Maeda, A.; Wada, T.; Uchinokura, K.; Tanaka, S. (1989). Structural properties of the superconductor La Ba2 Cu3-y O7-z in the solid solution system La1+x Ba2-x Cu3-y O7-z. Physical Review, Serie 3. B - Condensed Matter (18,1978-), 40, pp. 6771-6786.