@misc{indiciaefb266ad27cb6,
  title = {Determination of the depth to the surfaces of active lava lakes at Mauna Ulu and Alae, Kilauea Volcano, Hawaii},
  author = {R.I. Tilling and R.L. Christiansen and W. A. Duffield and R. T. Holcomb and D. W. Peterson},
  year = {1986},
  doi = {10.3133/ofr86367},
  url = {https://pubs.usgs.gov/publication/ofr86367},
  note = {Source identifier: ofr86367}
}