## Bruckner 1970 [vitreous silica](https://www.lehigh.edu/imi/teched/GlassProp/papers/Bruckner%20JNCS%20silica.pdf)

- [from zeller-pohl](https://knowen-production.s3.amazonaws.com/uploads/attachment/file/5462/zeller-pohl.pdf)

- from [Phillips - 1987](https://knowen-production.s3.amazonaws.com/uploads/attachment/file/5461/phillips%2B1987.pdf)

## 2013 [Excess Specific Heat in Evaporated Amorphous Silicon](http://www.research.physics.berkeley.edu/hellman/papers/PhysRevLett.110.135901(Daniel2013).pdf) D. R. Queen et al