@misc{indiciaea418662fe792,
  title = {An examination of the southern California field test for the systematic accumulation of the optical refraction error in geodetic leveling},
  author = {R. O. Castle and B.W. Brown and T.D. Gilmore and R. K. Mark and R. C. Wilson},
  year = {2012},
  doi = {10.1029/gl010i011p01081},
  url = {https://pubs.usgs.gov/publication/70011371},
  note = {Source identifier: 70011371}
}