@article{10068,
  author = {Jon Berger and Judah Levine},
  title = {The spectrum of Earth strain from 10^-8  to 10 ^2Hz},
  year = {1974},
  journal = {Journal of Geophysical Research},
  volume = {79},
  pages = {1210-1214},
  month = {Oct-03-1974},
  doi = {10.1029/JB079i008p01210},
}