@inproceedings{bridges2008:333, author = {Erd\'{e}ly, D\'{a}niel and van Ballegooijen, Walt}, title = {Some Interesting Observations Regarding the Spidrons}, pages = {333--340}, booktitle = {Bridges Leeuwarden: Mathematics, Music, Art, Architecture, Culture}, year = {2008}, editor = {Sarhangi, Reza and S\'{e}quin, Carlo H.}, isbn = {9780966520194}, issn = {1099-6702}, publisher = {Tarquin Publications}, address = {London}, url = {http://archive.bridgesmathart.org/2008/bridges2008-333.html} }