@misc{indiciaed75cc6969a01,
  title = {Elastic wave speeds and moduli in polycrystalline ice Ih, si methane hydrate, and sll methane-ethane hydrate},
  author = {M.B. Helgerud and W.F. Waite and S. H. Kirby and A. Nur},
  year = {2009},
  doi = {10.1029/2008jb006132},
  url = {https://pubs.usgs.gov/publication/70036092},
  note = {Source identifier: 70036092}
}