Citation: Izumi, M.; Yabe, T.; Wada, T.; Maeda, A.; Asano, H.; Tanaka, S.; Uchinokura, K. (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.