@misc{indiciae673927870eec,
  title = {Radar interferometry observations of surface displacements during pre- and coeruptive periods at Mount St. Helens, Washington, 1992-2005},
  author = {Michael P. Poland and Zhong Lu},
  year = {2008},
  doi = {10.3133/pp175018},
  url = {https://pubs.usgs.gov/publication/pp175018},
  note = {Source identifier: pp175018}
}