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@article{VM_1999_1_3_a5, author = {Ana Kozomara}, title = {Discrete {Plane} {Symmetry} {Groups}}, journal = {Visual Mathematics}, publisher = {mathdoc}, volume = {1}, number = {3}, year = {1999}, url = {http://geodesic.mathdoc.fr/item/VM_1999_1_3_a5/} }
Ana Kozomara. Discrete Plane Symmetry Groups. Visual Mathematics, Tome 1 (1999) no. 3. http://geodesic.mathdoc.fr/item/VM_1999_1_3_a5/