Citation: Kuz'ma, Yu.B.; Zavalii, P.Yu.; Gubich, I.B. (1993). Boride Ho20 (Fe4 B4)17 - a new member of incommensurate structures. Izvestiya Akademii Nauk SSSR, Neorganicheskie Materialy, 29, pp. 289-290.
Formula: B68 Fe68 Ho20
Chemical name: Ho20 (Fe4 B4)17
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: B136 Fe136 Ho40 (B17 Fe17 Ho5)
Multiplicity: 1