@misc{indiciae08d3fc5eb58b,
  title = {The pattern of circumferential and radial eruptive fissures on the volcanoes of Fernandina and Isabela islands, Galapagos},
  author = {W.W. Chadwick and K. A. Howard},
  year = {1991},
  doi = {10.1007/bf00414523},
  url = {https://pubs.usgs.gov/publication/70016666},
  note = {Source identifier: 70016666}
}