Component 1:
- http://dallaswindowtint.com/pages/posts/the-history-of-window-tinting6.php
- http://www.slideshare.net/davisondesign/the-history-of-window-tint
- http://www.glasstintusa.com/about/company-history
- http://www.cancer.org.au/preventing-cancer/sun-protection/sun-protection-products/car-window-tinting.html
- http://www.cancer.org.au/news/blog/prevention/window-tinting-and-sun-protection-does-darkening-your-windows-make-you-safe-from-uv-rays.html
- http://www.vwwatercooled.com.au/forums/f197/window-tinting-mk7-91205-3.html
- http://wis-wander.weizmann.ac.il/self-tinting-lens-inventor
- http://www.smartplanet.com/blog/intelligent-energy/future-for-self-tinting-windows-looks-rosy/