@misc{indiciae396a604cfebf,
  title = {Experimental investigations regarding the use of sand as an inhibitor of air convection in deep seismic boreholes},
  author = {L. Gary Holcomb and Leo Sandoval and Bob Hutt},
  year = {1998},
  doi = {10.3133/ofr98362},
  url = {https://pubs.usgs.gov/publication/ofr98362},
  note = {Source identifier: ofr98362}
}