@inproceedings{Aoyama:2015xN,
  author = "Aoyama, Shohei",
  title = "{Upper limit on the amplitude of gravitational waves around 0.1Hz from the Global Positioning System}",
  doi = "10.22323/1.208.0029",
  booktitle = "Proceedings of KMI International Symposium 2013 on “Quest for the Origin of Particles and the Universe {\textemdash} PoS(KMI2013)",
  year = 2015,
  volume = "208",
  pages = "029"
}