Citation: Gladyshevskii, R. E.; Cenzual, K.; Flack, H. D.; Parth\'e, E. (1993). Structure of RNi~3~Al~9~ (R = Y, Gd, Dy, Er) with either ordered or partly disordered arrangement of Al-atom triangles and rare-earth-metal atoms. Acta Crystallographica Section B, 49, pp. 468-474.