@article{9573,
  author = {Judah Levine and John Hall},
  title = {Design and operation of a methane absorption stabilized laser strainmeter},
  year = {1972},
  journal = {Journal of Geophysical Research},
  volume = {77},
  pages = {2595-2609},
  month = {Oct-05-1972},
  doi = {10.1029/JB077i014p02595},
}