Bibliography (6):

1. 2010-laughlin.pdf#page=96

2. 2010-laughlin.pdf#page=135

3. 2010-laughlin.pdf#page=155

4. 2010-laughlin.pdf#page=169

5. https://en.wiktionary.org/wiki/swatch

6. Wikipedia Bibliography:

   1. https://en.wikipedia.org/wiki/Materials_science  :

      https://en.wikipedia.org/wiki/Materials_science