@article{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",
  journal = "PoS",
  year = 2015,
  volume = "KMI2013",
  pages = "029"
}