The aclib share package - References

Louis Auslander.
Bieberbach's theorem on space groups and discrete uniform subgroups of lie groups.
Ann. of Math, 71(3):579--590, 1960.
Karel Dekimpe.
Almost-Bieberbach Groups: Affine and Polynomial Structures, volume 1639 of Springer Lecture Notes in Mathematics.
An Descheemaeker and Wim Malfait.
P-localization of relative groups.
Journal of Pure and Applied Algebra.
To appear.
Kyung Bai Lee.
There are only finitely many infra-nilmanifolds under each nilmanifold.
Quart. J. Math. Oxford, 39(2):61--66, 1988.


GAP 4 manual
November 2000