1. Symmetrized plane waves: 1. symmorphic space groups;Dirl;Comput. Phys. Commun.,1996
2. B.L. Davies and R. Dirl, Symmetrized plane waves: description of the software SPW, in preparation.
3. International Tables for Crystallography;Hahn,1992
4. The Mathematical Theory of Symmetry in Solids;Bradley,1972