@misc{indiciae1c06cfe64153,
  title = {Secretinite: A proposed new maceral of the inertinite maceral group},
  author = {P.C. Lyons and Patrick G. Hatcher and F. W. Brown},
  year = {1986},
  doi = {10.1016/0016-2361(86)90175-4},
  url = {https://pubs.usgs.gov/publication/70015542},
  note = {Source identifier: 70015542}
}