@inproceedings{bridges2003:299, author = {G\'{a}mez, Domingo and Pasadas, Miguel and P\'{e}rez, Rafael and Ruiz, Ceferino}, title = {NEC Polygonal Groups and Tessellations}, pages = {299--306}, booktitle = {Meeting Alhambra, ISAMA-BRIDGES Conference Proceedings}, year = {2003}, editor = {Barrallo, Javier and Friedman, Nathaniel and Maldonado, Juan Antonio and Mart\'{\i}nez-Aroza, Jos\'{e} and Sarhangi, Reza and S\'{e}quin, Carlo}, isbn = {84-930669-1-5}, issn = {1099-6702}, publisher = {University of Granada}, address = {Granada, Spain}, url = {http://archive.bridgesmathart.org/2003/bridges2003-299.html} }