@misc{indiciaef0f9dbc4eed0,
  title = {Application of 2-D travel-time inversion of seismic refraction data to the mid-continent rift beneath Lake Superior},
  author = {William J. Lutter and Anne M. Trehu and Robert L. Nowack},
  year = {2012},
  doi = {10.1029/93gl00171},
  url = {https://pubs.usgs.gov/publication/70186950},
  note = {Source identifier: 70186950}
}