@article{9296,
  author = {Judah Levine and C. Meertens and Robert Busby},
  title = {Tilt observations using borehole tiltmeters: 1. Analysis of tidal and secular tilt},
  year = {1989},
  journal = {Journal of Geophysical Research},
  volume = {94},
  pages = {574},
  month = {Jan-01-1989},
  issn = {0148-0227},
  doi = {10.1029/JB094iB01p00574},
}