Citation: Jeitschko, W.; Terbuechte, L.J.; Rodewald, U.C. (2001). The ternary lanthanoid nickel arsenides Tb12 Ni30 As21 and Dy12 Ni30 As21 with (La, Ce)12 Rh30 P21 type related structure. Zeitschrift fuer Anorganische und Allgemeine Chemie, 627, pp. 2673-2679.