@article{freihofer2015stress,
  title={Stress and structural damage sensing piezospectroscopic coatings validated with digital image correlation},
  author={Freihofer, Gregory and Dustin, Joshua and Tat, Hong and Sch{\"u}lzgen, Axel and Raghavan, Seetha},
  journal={Aip Advances},
  volume={5},
  number={3},
  pages={037139},
  year={2015},
  publisher={AIP Publishing LLC}
}