Citation: Wada, T.; Takana, S.; Yaegashi, Y.; Ichinose, A.; Yamauchi, H. (1989). Crystal structure of new oxide superconductors, (Sm, Ba, Ce)8 Cu6 Oz, (Nd, Ba, Sr, Ce)8 Cu6 Oz , (La, Gd, Ba, Ce)8 Cu6 Oz and (La, Gd, Ba, Sr, Ce)8 Cu6 Oz. Japanese Journal of Applied Physics, Part 2, 28, pp. 1779-1782.