@misc{indiciaed3cf8d1d5a7f,
  title = {Developing a bubble number-density paleoclimatic indicator for glacier ice},
  author = {M. K. Spencer and R. B. Alley and J. J. Fitzpatrick},
  year = {2006},
  url = {https://pubs.usgs.gov/publication/70029436},
  note = {Source identifier: 70029436}
}