@misc{arvanitaki2014discovering,
  title={Discovering the QCD Axion with Black Holes and Gravitational Waves},
  author={Asimina Arvanitaki and Masha Baryakhtar and Xinlu Huang},
  year={2014},
  eprint={1411.2263},
  archivePrefix={arXiv},
  primaryClass={hep-ph},
  doi={10.1103/PhysRevD.91.084011},
  url={https://arxiv.org/abs/1411.2263}
}