@misc{indiciae6cbe626407cf,
  title = {Using absolute gravimeter data to determine vertical gravity gradients},
  author = {D.S. Robertson},
  year = {2003},
  doi = {10.1088/0026-1394/38/2/6},
  url = {https://pubs.usgs.gov/publication/70023251},
  note = {Source identifier: 70023251}
}