@misc{indiciaece45d8a87850,
  title = {Geology and petrography of volcanic rocks of the Truk Islands, East Caroline Islands},
  author = {John Thomas Stark and Richard LeRoy Hay},
  year = {1963},
  doi = {10.3133/pp409},
  url = {https://pubs.usgs.gov/publication/pp409},
  note = {Source identifier: pp409}
}