@misc{indiciae8bb89f2b3f96,
  title = {Nuclear magnetic resonance studies of ancient buried wood-I. Observations on the origin of coal to the brown coal stage},
  author = {Patrick G. Hatcher and Irving A. Breger and W.L. Earl},
  year = {1981},
  doi = {10.1016/0146-6380(81)90013-9},
  url = {https://pubs.usgs.gov/publication/70012141},
  note = {Source identifier: 70012141}
}