@article{VM_2011_13_1_a0,
     author = {Maria Francisca Blanco Blanco},
     title = {Symmetry {Groups} in the {Alhambra}},
     journal = {Visual Mathematics},
     year = {2011},
     volume = {13},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VM_2011_13_1_a0/}
}