@misc{indiciae6cabb0a420b0,
  title = {Geothermal System Extensions},
  author = {Gunnerson, Jon and Pardy, James J.},
  year = {2017},
  doi = {10.2172/1390575},
  url = {https://www.osti.gov/biblio/1390575},
  note = {Source identifier: 1390575}
}