Reference
- Mehta, C. (2014). Non-periodic tiles based on Ammann set A2 tiles. In G. Greenfield, G. Hart, & R. Sarhangi (Eds.), Proceedings of bridges 2014: Mathematics, music, art, architecture, culture (pp. 425–428). Tessellations Publishing. http://archive.bridgesmathart.org/2014/bridges2014-425.html