Montesinos Amilibia, José María2023-06-202023-06-201987-01-010211-1721https://hdl.handle.net/20.500.14352/58610This is an exposition of the interrelation between orbifolds and crystallographic groups of the plane, focussing especially on patterns that occur in the Alhambra in Granada. This material appears in English in the author's book [Classical tessellations and three-manifolds, Springer, Berlin, 1987;].spajournal articlehttp://www.rac.es/ficheros/Memorias/MCE_20090930_028.pdfhttp://www.rac.es/0/0_1.phprestricted access515.162cristallographic groupstesselationsorbifoldsTopología1210 Topología