@misc{indiciae99be43491756,
  title = {A method for evaluating the importance of system state observations to model predictions, with application to the Death Valley regional groundwater flow system},
  author = {Claire R. Tiedeman and D. Matthew Ely and Mary C. Hill and Grady M. O’Brien},
  year = {2004},
  doi = {10.1029/2004wr003313},
  url = {https://pubs.usgs.gov/publication/70026317},
  note = {Source identifier: 70026317}
}