cryst : a GAP 4 package - References

H. Brown, R. Bülow, J. Neubüser, H. Wondratschek, and H. Zassenhaus.
Crystallographic Groups of Four-Dimensional Space.
John Wiley, New York, 1978.
F. G"ahler, B. Eick and W. Nickel.
Computing maximal subgroups and wyckoff positions of space groups.
Acta Cryst A 53, 467--474 (1997).
T. Hahn, editor.
International Tables for Crystallography, Volume A, Space-group Symmetry, 4th Edition.
Kluwer, Dordrecht, 1995.
H. Wondratschek.
Introduction to space-group symmetry.
In Internation Tables for Crystallography, Vol. A Hah95, pages 711--735.


cryst manual
October 2013