@inproceedings{2013-bridges-TurtlesForTessellations,
   author = {Feijs, Loe and Hu, Jun},
   title = {Turtles for Tessellations},
   booktitle = {Bridges 2013 : Mathematics, Music, Art, Architecture, Culture},
   address = {Enschede, the Netherlands},
   pages = {241-248},
   PDF = {http://www.drhu.eu/publications/2013-bridges-TurtlesForTessellations.pdf},
   year = {2013}
}