@inproceedings{bridges2006:645, author = {Stang, Paul F.}, title = {Mandala and 5,6 and 7-fold Division of the Circle}, pages = {645--646}, booktitle = {Bridges London: Mathematics, Music, Art, Architecture, Culture}, year = {2006}, editor = {Sarhangi, Reza and Sharp, John}, isbn = {0-9665201-7-3}, issn = {1099-6702}, publisher = {Tarquin Publications}, address = {London}, url = {http://archive.bridgesmathart.org/2006/bridges2006-645.html} }