Citation: Yashima, M.; Sasaki, S.; Kakihana, M.; Yamaguchi, Y.; Arashi, H.; Yoshimura, M. (1994). Oxygen-induced structural change of the tetragonal phase around the tetragonal--cubic phase boundary in ZrO~2~--YO~1.5~ solid solutions. Acta Crystallographica Section B, 50, pp. 663-672.