@misc{indiciae4c32b6e6f430,
  title = {Conditions for bubble elongation in cold ice-sheet ice},
  author = {R. B. Alley and J. J. Fitzpatrick},
  year = {2017},
  doi = {10.3189/s0022143000003129},
  url = {https://pubs.usgs.gov/publication/70022129},
  note = {Source identifier: 70022129}
}