@article{abernathy_liu_metcalf_2018,  title={An Overview of Research into Low Internal Friction Optical Coatings by the Gravitational Wave Detection Community},  volume={21},  ISSN={1516-1439},  url={https://doi.org/10.1590/1980-5373-MR-2017-0863},  DOI={10.1590/1980-5373-MR-2017-0863},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Abernathy, Matthew Robert and Liu, Xiao and Metcalf, Thomas H.},  year={2018},  pages={e20170863} }