1. A. Dunne. 2005. Hertzian Tales. Electronic Products Aesthetic Experience and Critical Design. The MIT Press: Cambridge MA. A. Dunne. 2005. Hertzian Tales. Electronic Products Aesthetic Experience and Critical Design. The MIT Press: Cambridge MA.
2. Onformative. 2011. Retrieved September 20 2018 from https://onformative.com/work/immaterials. Onformative. 2011. Retrieved September 20 2018 from https://onformative.com/work/immaterials.
3. D. R. Lide. 2003. CRC Handbook of Chemistry and Physics 84th Edition CRC Press: Boca Raton. D. R. Lide. 2003. CRC Handbook of Chemistry and Physics 84th Edition CRC Press: Boca Raton.