1. Bradley, C. J. & Cracknell, A. P. (1972). The Mathematical Theory of Symmetry in Solids: Representation Theory for Point Groups and Space Groups. Oxford: Clarendon Press.
2. International Tables for Crystallography (1983). Volume A, Space-Group Symmetry, edited by Th. Hahn. Dordrecht: Kluwer Academic Publishers. (Abbreviated ITA, fifth revised edition 2002).
3. International Tables for Crystallography (2010). Volume E, Subperiodic Groups, edited by V. Kopský and D. B. Litvin, 2nd ed. Chichester: Wiley.
4. Seitz notation for symmetry operations of space groups