@misc{indiciaec4fdfa4090a4,
  title = {Measured temperature and pressure dependence of Vp and Vs in compacted, polycrystalline sI methane and sII methane-ethane hydrate},
  author = {M.B. Helgerud and W.F. Waite and S. H. Kirby and A. Nur},
  year = {2003},
  doi = {10.1139/p03-016},
  url = {https://pubs.usgs.gov/publication/70026195},
  note = {Source identifier: 70026195}
}