@misc{indiciae4617a284e08f,
  title = {Geophysics and petrology of the deep crust and upper mantle; a workshop},
  author = {S. H. Kirby and J. E. Nielson-Pike},
  year = {1987},
  doi = {10.3133/cir956},
  url = {https://pubs.usgs.gov/publication/cir956},
  note = {Source identifier: cir956}
}