Citation: Hideo Imoto; Hiroshi Fukuoka; Shigenori Tsunesawa; Hisaya Horiuchi; Takao Amemiya; Noboru Koga (1997). Preparation and Crystal Structure of Ruthenium Metaphosphate Ru(PO3)3 with an 8-fold Superstructure. Analysis of Structural Frustration with a Simple Model. Inorganic Chemistry, 36, pp. 4172-4181.