@article{GDZPPN002107058, title = {Rigidity and crystallographic groups, I.}, journal = {Inventiones mathematicae}, volume = {100}, year = {1990}, pages = {25-48}, zbl = {0692.57017}, url = {http://dml.mathdoc.fr/item/GDZPPN002107058} }
Conolly, Frank; Kozniewski, Tadeusz. Rigidity and crystallographic groups, I.. Inventiones mathematicae, Tome 100 (1990) pp. 25-48. http://gdmltest.u-ga.fr/item/GDZPPN002107058/