@article{01669222,
title = {On three-dimensional space groups.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {42},
year = {2001},
pages = {475-507},
zbl = {0991.20036},
language = {en},
url = {http://dml.mathdoc.fr/item/01669222}
}
Conway, John H.; Delgado Friedrichs, Olaf; Huson, Daniel H.; Thurston, William P. On three-dimensional space groups.. Beiträge zur Algebra und Geometrie, Tome 42 (2001) pp. 475-507. http://gdmltest.u-ga.fr/item/01669222/