@misc{indiciae33837f706fda,
  title = {Bituminous coal; its origin, varieties and a few of its special uses},
  author = {E. B. Andrews},
  year = {1873},
  doi = {10.1016/s0016-0032(73)90398-0},
  url = {https://pubs.usgs.gov/publication/70009954},
  note = {Source identifier: 70009954}
}